{"title":"Boring Head and Accessories","description":"\u003ch1 data-start=\"104\" data-end=\"157\"\u003eBoring Head and Accessories for Precision Machining\u003c\/h1\u003e\n\u003cp data-start=\"159\" data-end=\"842\"\u003eBrowse high-quality boring heads and accessories at Twin Eagle Imports, designed for accurate hole enlargement, fine boring and precision machining applications. This collection includes insert holders, boring heads, modular systems and related components built for stability, accuracy and long service life. Ideal for CNC milling machines, machining centres and workshop environments, these tools help achieve precise diameters and smooth surface finishes across various materials. Whether you need replacement parts or complete boring head systems, Twin Eagle Imports offers reliable solutions for professional metalworking and industrial use. \u003cspan class=\"\" data-state=\"delayed-open\" aria-describedby=\"radix-_r_4r_\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"844\" data-end=\"933\"\u003e \u003c\/p\u003e","products":[{"product_id":"acrow-ak4-090ext-extension-90-mm","title":"Acrow AK4-090EXT Extension – 90 mm","description":"\u003cp style=\"font-family: Arial; font-size: large;\"\u003e\u003cstrong\u003eAcrow AK4-090EXT Extension – 90 mm\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-family: Arial; font-size: large;\"\u003eThe Acrow AK4-090EXT is a precision extension engineered to increase boring head reach for deep-hole machining while maintaining superior rigidity and concentricity.\u003cbr style=\"font-family: Arial; font-size: large;\"\u003eManufactured from high-quality hardened alloy steel, it provides outstanding balance, strength, and stability during precision boring operations.\u003cbr style=\"font-family: Arial; font-size: large;\"\u003eIt is fully compatible with Acrow BSD Series Boring Heads and modular boring systems, offering consistent accuracy and repeatability under heavy-duty cutting conditions.\u003cbr style=\"font-family: Arial; font-size: large;\"\u003eAll contact surfaces are precision ground to ensure excellent alignment, smooth operation, and long service life even in demanding CNC machining environments.\u003c\/p\u003e\n\u003cp style=\"font-family: Arial; font-size: large;\"\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"font-family: Arial; font-size: large;\"\u003e\n\u003cli\u003eBrand: Acrow\u003c\/li\u003e\n\u003cli\u003eSeries: AK4\u003c\/li\u003e\n\u003cli\u003eModel: AK4-090EXT\u003c\/li\u003e\n\u003cli\u003eØD (Diameter): 39 mm\u003c\/li\u003e\n\u003cli\u003eExtension Length: 90 mm\u003c\/li\u003e\n\u003cli\u003eType: Boring Head Extension\u003c\/li\u003e\n\u003cli\u003eCompatibility: Acrow BSD Series Boring Heads\u003c\/li\u003e\n\u003cli\u003eMaterial: Hardened Alloy Steel\u003c\/li\u003e\n\u003cli\u003eSurface Finish: Precision Ground\u003c\/li\u003e\n\u003cli\u003eConcentricity: ≤ 0.005 mm\u003c\/li\u003e\n\u003cli\u003eApplication: Extends boring depth while maintaining accuracy and rigidity\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACROW MACHINERY MFG CO LTD","offers":[{"title":"Default Title","offer_id":51366510854431,"sku":"AK4090EXT","price":202.4,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0050\/2484\/1799\/files\/acrow-machinery-mfg-co-ltd-tool-holders-acrow-ak4-090ext-extension-90-mm-4749377333439-1207372654.png?v=1763562119"},{"product_id":"acrow-ak2-030ext-extension-30-mm","title":"Acrow AK2-030EXT Extension – 30 mm","description":"\u003cp style=\"font-family: Arial; font-size: large;\"\u003e\u003cstrong\u003eAcrow AK2-030EXT Extension – 30 mm\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-family: Arial; font-size: large;\"\u003eThe Acrow AK2-030EXT is a precision-engineered extension designed to extend boring head reach while maintaining excellent rigidity and alignment accuracy.\u003cbr style=\"font-family: Arial; font-size: large;\"\u003eManufactured from high-quality hardened alloy steel, it provides superior strength, balance, and stability for precision boring and milling applications.\u003cbr style=\"font-family: Arial; font-size: large;\"\u003eFully compatible with Acrow BSD Series Boring Heads and modular boring systems, it allows deep-hole machining without compromising accuracy or surface finish.\u003cbr style=\"font-family: Arial; font-size: large;\"\u003eAll contact surfaces are precision ground for secure fitting, exceptional concentricity, and long-term performance under demanding machining conditions.\u003c\/p\u003e\n\u003cp style=\"font-family: Arial; font-size: large;\"\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"font-family: Arial; font-size: large;\"\u003e\n\u003cli\u003eBrand: Acrow\u003c\/li\u003e\n\u003cli\u003eSeries: AK2\u003c\/li\u003e\n\u003cli\u003eModel: AK2-030EXT\u003c\/li\u003e\n\u003cli\u003eØD (Diameter): 24 mm\u003c\/li\u003e\n\u003cli\u003eExtension Length: 30 mm\u003c\/li\u003e\n\u003cli\u003eType: Boring Head Extension\u003c\/li\u003e\n\u003cli\u003eCompatibility: Acrow BSD Series Boring Heads\u003c\/li\u003e\n\u003cli\u003eMaterial: Hardened Alloy Steel\u003c\/li\u003e\n\u003cli\u003eSurface Finish: Precision Ground\u003c\/li\u003e\n\u003cli\u003eConcentricity: ≤ 0.005 mm\u003c\/li\u003e\n\u003cli\u003eApplication: Extends boring depth while maintaining accuracy and rigidity\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACROW MACHINERY MFG CO LTD","offers":[{"title":"Default Title","offer_id":51366510887199,"sku":"AK2030EXT","price":79.8,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0050\/2484\/1799\/files\/acrow-machinery-mfg-co-ltd-tool-holders-acrow-ak2-030ext-extension-30-mm-4749234144642-1207372660.png?v=1763562123"},{"product_id":"acrow-ak6-100ext-extension-100-mm","title":"Acrow AK6-100EXT Extension – 100 mm","description":"\u003cp style=\"font-family: Arial; font-size: large;\"\u003e\u003cstrong\u003eAcrow AK6-100EXT Extension – 100 mm\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-family: Arial; font-size: large;\"\u003eThe Acrow AK6-100EXT is a precision extension designed for large-diameter and deep-hole boring operations requiring maximum rigidity and accuracy.\u003cbr style=\"font-family: Arial; font-size: large;\"\u003eManufactured from hardened alloy steel and precision ground, this extension offers superior strength, balance, and vibration resistance for high-performance machining.\u003cbr style=\"font-family: Arial; font-size: large;\"\u003eIt is fully compatible with Acrow BSD Series Boring Heads and other modular boring systems, enabling extended depth machining without compromising stability or precision.\u003cbr style=\"font-family: Arial; font-size: large;\"\u003eAll surfaces are ground to exact tolerances, ensuring tight alignment, smooth performance, and exceptional durability in demanding CNC machining environments.\u003c\/p\u003e\n\u003cp style=\"font-family: Arial; font-size: large;\"\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"font-family: Arial; font-size: large;\"\u003e\n\u003cli\u003eBrand: Acrow\u003c\/li\u003e\n\u003cli\u003eSeries: AK6\u003c\/li\u003e\n\u003cli\u003eModel: AK6-100EXT\u003c\/li\u003e\n\u003cli\u003eØD (Diameter): 64 mm\u003c\/li\u003e\n\u003cli\u003eExtension Length: 100 mm\u003c\/li\u003e\n\u003cli\u003eType: Boring Head Extension\u003c\/li\u003e\n\u003cli\u003eCompatibility: Acrow BSD Series Boring Heads\u003c\/li\u003e\n\u003cli\u003eMaterial: Hardened Alloy Steel\u003c\/li\u003e\n\u003cli\u003eSurface Finish: Precision Ground\u003c\/li\u003e\n\u003cli\u003eConcentricity: ≤ 0.005 mm\u003c\/li\u003e\n\u003cli\u003eApplication: Extends boring depth while maintaining accuracy and rigidity\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACROW MACHINERY MFG CO LTD","offers":[{"title":"Default Title","offer_id":51366510919967,"sku":"AK6100EXT","price":134.4,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0050\/2484\/1799\/files\/acrow-machinery-mfg-co-ltd-tool-holders-acrow-ak6-100ext-extension-100-mm-4749386408258-1207372659.png?v=1763562255"},{"product_id":"acrow-ak1-020ext-extension-20-mm","title":"Acrow AK1-020EXT Extension – 20 mm","description":"\u003cp style=\"font-family: Arial; font-size: large;\"\u003e\u003cstrong\u003eAcrow AK1-020EXT Extension – 20 mm\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-family: Arial; font-size: large;\"\u003eThe Acrow AK1-020EXT is a precision-engineered extension designed to increase boring head reach while maintaining concentricity and rigidity during deep-bore machining.\u003cbr style=\"font-family: Arial; font-size: large;\"\u003eManufactured from high-grade hardened alloy steel, this extension delivers maximum strength, balance, and accuracy under high-speed cutting conditions.\u003cbr style=\"font-family: Arial; font-size: large;\"\u003eIt is fully compatible with Acrow BSD Series Boring Heads and other standard modular boring systems, providing a reliable solution for precision internal machining where extra depth is required.\u003cbr style=\"font-family: Arial; font-size: large;\"\u003eAll critical surfaces are precision ground for excellent fit, alignment, and long service life.\u003c\/p\u003e\n\u003cp style=\"font-family: Arial; font-size: large;\"\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"font-family: Arial; font-size: large;\"\u003e\n\u003cli\u003eBrand: Acrow\u003c\/li\u003e\n\u003cli\u003eSeries: AK1\u003c\/li\u003e\n\u003cli\u003eModel: AK1-020EXT\u003c\/li\u003e\n\u003cli\u003eØD (Diameter): 19 mm\u003c\/li\u003e\n\u003cli\u003eExtension Length: 20 mm\u003c\/li\u003e\n\u003cli\u003eType: Boring Head Extension\u003c\/li\u003e\n\u003cli\u003eCompatibility: Acrow BSD Series Boring Heads\u003c\/li\u003e\n\u003cli\u003eMaterial: Hardened Alloy Steel\u003c\/li\u003e\n\u003cli\u003eSurface Finish: Precision Ground\u003c\/li\u003e\n\u003cli\u003eConcentricity: ≤ 0.005 mm\u003c\/li\u003e\n\u003cli\u003eApplication: Extends boring depth while maintaining accuracy and rigidity\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACROW MACHINERY MFG CO LTD","offers":[{"title":"Default Title","offer_id":51366510952735,"sku":"AK1020EXT","price":75.6,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0050\/2484\/1799\/files\/acrow-machinery-mfg-co-ltd-tool-holders-acrow-ak1-020ext-extension-20-mm-4749100997273-1207372652.png?v=1763562369"},{"product_id":"acrow-ak1-050ext-extension-50-mm","title":"Acrow AK1-050EXT Extension – 50 mm","description":"\u003cp style=\"font-family: Arial; font-size: large;\"\u003e\u003cstrong\u003eAcrow AK1-050EXT Extension – 50 mm\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-family: Arial; font-size: large;\"\u003eThe Acrow AK1-050EXT is a precision-engineered extension designed to extend boring head reach while maintaining superior rigidity and precision alignment.\u003cbr style=\"font-family: Arial; font-size: large;\"\u003eBuilt from high-quality hardened alloy steel, this extension offers excellent balance, strength, and stability during high-speed machining and deep-hole boring.\u003cbr style=\"font-family: Arial; font-size: large;\"\u003eIt is fully compatible with Acrow BSD Series Boring Heads and modular boring systems, providing accurate and repeatable performance for precision manufacturing.\u003cbr style=\"font-family: Arial; font-size: large;\"\u003eEach surface is precision ground to ensure excellent concentricity, smooth fit, and reliable operation in demanding machining conditions.\u003c\/p\u003e\n\u003cp style=\"font-family: Arial; font-size: large;\"\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"font-family: Arial; font-size: large;\"\u003e\n\u003cli\u003eBrand: Acrow\u003c\/li\u003e\n\u003cli\u003eSeries: AK1\u003c\/li\u003e\n\u003cli\u003eModel: AK1-050EXT\u003c\/li\u003e\n\u003cli\u003eØD (Diameter): 19 mm\u003c\/li\u003e\n\u003cli\u003eExtension Length: 50 mm\u003c\/li\u003e\n\u003cli\u003eType: Boring Head Extension\u003c\/li\u003e\n\u003cli\u003eCompatibility: Acrow BSD Series Boring Heads\u003c\/li\u003e\n\u003cli\u003eMaterial: Hardened Alloy Steel\u003c\/li\u003e\n\u003cli\u003eSurface Finish: Precision Ground\u003c\/li\u003e\n\u003cli\u003eConcentricity: ≤ 0.005 mm\u003c\/li\u003e\n\u003cli\u003eApplication: Extends boring depth while maintaining accuracy and rigidity\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACROW MACHINERY MFG CO LTD","offers":[{"title":"Default Title","offer_id":51366511051039,"sku":"AK1050EXT","price":79.8,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0050\/2484\/1799\/files\/acrow-machinery-mfg-co-ltd-tool-holders-acrow-ak1-050ext-extension-50-mm-4749158791540-1207372635.png?v=1763562491"},{"product_id":"acrow-ak2-050ext-extension-50-mm","title":"Acrow AK2-050EXT Extension – 50 mm","description":"\u003cp style=\"font-family: Arial; font-size: large;\"\u003e\u003cstrong\u003eAcrow AK2-050EXT Extension – 50 mm\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-family: Arial; font-size: large;\"\u003eThe Acrow AK2-050EXT is a precision extension engineered to increase boring head reach while maintaining rigidity and superior concentricity during deep machining operations.\u003cbr style=\"font-family: Arial; font-size: large;\"\u003eConstructed from hardened alloy steel, it offers outstanding strength, balance, and vibration resistance for consistent performance in CNC and manual milling applications.\u003cbr style=\"font-family: Arial; font-size: large;\"\u003eIt is fully compatible with Acrow BSD Series Boring Heads and modular boring systems, enabling precision deep-bore machining without accuracy loss.\u003cbr style=\"font-family: Arial; font-size: large;\"\u003eAll functional surfaces are precision ground to ensure tight tolerances, smooth operation, and long service life under high-speed cutting conditions.\u003c\/p\u003e\n\u003cp style=\"font-family: Arial; font-size: large;\"\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"font-family: Arial; font-size: large;\"\u003e\n\u003cli\u003eBrand: Acrow\u003c\/li\u003e\n\u003cli\u003eSeries: AK2\u003c\/li\u003e\n\u003cli\u003eModel: AK2-050EXT\u003c\/li\u003e\n\u003cli\u003eØD (Diameter): 24 mm\u003c\/li\u003e\n\u003cli\u003eExtension Length: 50 mm\u003c\/li\u003e\n\u003cli\u003eType: Boring Head Extension\u003c\/li\u003e\n\u003cli\u003eCompatibility: Acrow BSD Series Boring Heads\u003c\/li\u003e\n\u003cli\u003eMaterial: Hardened Alloy Steel\u003c\/li\u003e\n\u003cli\u003eSurface Finish: Precision Ground\u003c\/li\u003e\n\u003cli\u003eConcentricity: ≤ 0.005 mm\u003c\/li\u003e\n\u003cli\u003eApplication: Extends boring depth while maintaining accuracy and rigidity\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACROW MACHINERY MFG CO LTD","offers":[{"title":"Default Title","offer_id":51366511083807,"sku":"AK2050EXT","price":79.8,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0050\/2484\/1799\/files\/acrow-machinery-mfg-co-ltd-tool-holders-acrow-ak2-050ext-extension-50-mm-4749249904767-1207372648.png?v=1763533931"},{"product_id":"acrow-ak3-030ext-extension-30-mm","title":"Acrow AK3-030EXT Extension – 30 mm","description":"\u003cp style=\"font-family: Arial; font-size: large;\"\u003e\u003cstrong\u003eAcrow AK3-030EXT Extension – 30 mm\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-family: Arial; font-size: large;\"\u003eThe Acrow AK3-030EXT is a precision-engineered extension designed to extend boring head reach while maintaining excellent rigidity and alignment accuracy.\u003cbr style=\"font-family: Arial; font-size: large;\"\u003eManufactured from hardened alloy steel and precision ground, this extension ensures superior strength, balance, and concentricity for high-performance machining operations.\u003cbr style=\"font-family: Arial; font-size: large;\"\u003eIt is fully compatible with Acrow BSD Series Boring Heads and modular boring systems, offering precise and stable operation in deep-hole and fine-finishing applications.\u003cbr style=\"font-family: Arial; font-size: large;\"\u003eAll contact surfaces are ground to tight tolerances to ensure smooth performance, long service life, and consistent precision during demanding CNC and milling operations.\u003c\/p\u003e\n\u003cp style=\"font-family: Arial; font-size: large;\"\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"font-family: Arial; font-size: large;\"\u003e\n\u003cli\u003eBrand: Acrow\u003c\/li\u003e\n\u003cli\u003eSeries: AK3\u003c\/li\u003e\n\u003cli\u003eModel: AK3-030EXT\u003c\/li\u003e\n\u003cli\u003eØD (Diameter): 31 mm\u003c\/li\u003e\n\u003cli\u003eExtension Length: 30 mm\u003c\/li\u003e\n\u003cli\u003eType: Boring Head Extension\u003c\/li\u003e\n\u003cli\u003eCompatibility: Acrow BSD Series Boring Heads\u003c\/li\u003e\n\u003cli\u003eMaterial: Hardened Alloy Steel\u003c\/li\u003e\n\u003cli\u003eSurface Finish: Precision Ground\u003c\/li\u003e\n\u003cli\u003eConcentricity: ≤ 0.005 mm\u003c\/li\u003e\n\u003cli\u003eApplication: Extends boring depth while maintaining accuracy and rigidity\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACROW MACHINERY MFG CO LTD","offers":[{"title":"Default Title","offer_id":51366511149343,"sku":"AK3030EXT","price":79.8,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0050\/2484\/1799\/files\/acrow-machinery-mfg-co-ltd-tool-holders-acrow-ak3-030ext-extension-30-mm-4749291238810-1207372637.png?v=1763533928"},{"product_id":"acrow-ak3-060ext-extension-60-mm","title":"Acrow AK3-060EXT Extension – 60 mm","description":"\u003cp style=\"font-family: Arial; font-size: large;\"\u003e\u003cstrong\u003eAcrow AK3-060EXT Extension – 60 mm\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-family: Arial; font-size: large;\"\u003eThe Acrow AK3-060EXT is a precision extension designed to provide additional reach for boring heads while maintaining superior rigidity and concentricity.\u003cbr style=\"font-family: Arial; font-size: large;\"\u003eConstructed from high-grade hardened alloy steel, it offers exceptional strength, balance, and dimensional stability under high-speed machining conditions.\u003cbr style=\"font-family: Arial; font-size: large;\"\u003eIt is compatible with Acrow BSD Series Boring Heads and other modular boring systems, enabling precise and reliable deep-bore machining in both CNC and manual applications.\u003cbr style=\"font-family: Arial; font-size: large;\"\u003eAll working surfaces are precision ground to ensure perfect alignment, smooth operation, and a long service life in demanding production environments.\u003c\/p\u003e\n\u003cp style=\"font-family: Arial; font-size: large;\"\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"font-family: Arial; font-size: large;\"\u003e\n\u003cli\u003eBrand: Acrow\u003c\/li\u003e\n\u003cli\u003eSeries: AK3\u003c\/li\u003e\n\u003cli\u003eModel: AK3-060EXT\u003c\/li\u003e\n\u003cli\u003eØD (Diameter): 31 mm\u003c\/li\u003e\n\u003cli\u003eExtension Length: 60 mm\u003c\/li\u003e\n\u003cli\u003eType: Boring Head Extension\u003c\/li\u003e\n\u003cli\u003eCompatibility: Acrow BSD Series Boring Heads\u003c\/li\u003e\n\u003cli\u003eMaterial: Hardened Alloy Steel\u003c\/li\u003e\n\u003cli\u003eSurface Finish: Precision Ground\u003c\/li\u003e\n\u003cli\u003eConcentricity: ≤ 0.005 mm\u003c\/li\u003e\n\u003cli\u003eApplication: Extends boring depth while maintaining accuracy and rigidity\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACROW MACHINERY MFG CO LTD","offers":[{"title":"Default Title","offer_id":51366511182111,"sku":"AK3060EXT","price":84.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0050\/2484\/1799\/files\/acrow-machinery-mfg-co-ltd-tool-holders-acrow-ak3-060ext-extension-60-mm-4749331442467-1207372633.png?v=1763533919"},{"product_id":"acrow-ak4-045ext-extension-45-mm","title":"Acrow AK4-045EXT Extension – 45 mm","description":"\u003cp style=\"font-family: Arial; font-size: large;\"\u003e\u003cstrong\u003eAcrow AK4-045EXT Extension – 45 mm\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-family: Arial; font-size: large;\"\u003eThe Acrow AK4-045EXT is a precision-engineered extension designed to extend boring head reach while maintaining excellent rigidity and alignment accuracy.\u003cbr style=\"font-family: Arial; font-size: large;\"\u003eConstructed from hardened alloy steel and precision ground, this extension provides superior strength, balance, and vibration resistance during high-speed machining.\u003cbr style=\"font-family: Arial; font-size: large;\"\u003eIt is fully compatible with Acrow BSD Series Boring Heads and modular boring systems, enabling precise deep-hole and fine-finishing operations.\u003cbr style=\"font-family: Arial; font-size: large;\"\u003eAll functional surfaces are precision ground to ensure tight tolerances, smooth fitting, and long-lasting accuracy under demanding CNC and milling conditions.\u003c\/p\u003e\n\u003cp style=\"font-family: Arial; font-size: large;\"\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"font-family: Arial; font-size: large;\"\u003e\n\u003cli\u003eBrand: Acrow\u003c\/li\u003e\n\u003cli\u003eSeries: AK4\u003c\/li\u003e\n\u003cli\u003eModel: AK4-045EXT\u003c\/li\u003e\n\u003cli\u003eØD (Diameter): 39 mm\u003c\/li\u003e\n\u003cli\u003eExtension Length: 45 mm\u003c\/li\u003e\n\u003cli\u003eType: Boring Head Extension\u003c\/li\u003e\n\u003cli\u003eCompatibility: Acrow BSD Series Boring Heads\u003c\/li\u003e\n\u003cli\u003eMaterial: Hardened Alloy Steel\u003c\/li\u003e\n\u003cli\u003eSurface Finish: Precision Ground\u003c\/li\u003e\n\u003cli\u003eConcentricity: ≤ 0.005 mm\u003c\/li\u003e\n\u003cli\u003eApplication: Extends boring depth while maintaining accuracy and rigidity\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACROW MACHINERY MFG CO LTD","offers":[{"title":"Default Title","offer_id":51366511280415,"sku":"AK4045EXT","price":194.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0050\/2484\/1799\/files\/acrow-machinery-mfg-co-ltd-tool-holders-acrow-ak4-045ext-extension-45-mm-4749376522780-1207372620.png?v=1763563325"},{"product_id":"acrow-ak5-050ext-extension-50-mm","title":"Acrow AK5-050EXT Extension – 50 mm","description":"\u003cp style=\"font-family: Arial; font-size: large;\"\u003e\u003cstrong\u003eAcrow AK5-050EXT Extension – 50 mm\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-family: Arial; font-size: large;\"\u003eThe Acrow AK5-050EXT is a precision-engineered extension designed to increase boring head reach while maintaining exceptional rigidity and concentricity.\u003cbr style=\"font-family: Arial; font-size: large;\"\u003eManufactured from premium hardened alloy steel, this extension ensures excellent strength, balance, and accuracy for both CNC and manual machining applications.\u003cbr style=\"font-family: Arial; font-size: large;\"\u003eIt is fully compatible with Acrow BSD Series Boring Heads and modular boring systems, providing reliable performance for precision deep-hole boring and fine-finishing operations.\u003cbr style=\"font-family: Arial; font-size: large;\"\u003eAll critical surfaces are precision ground to tight tolerances, ensuring smooth fitment, superior alignment, and long-term durability in demanding machining environments.\u003c\/p\u003e\n\u003cp style=\"font-family: Arial; font-size: large;\"\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"font-family: Arial; font-size: large;\"\u003e\n\u003cli\u003eBrand: Acrow\u003c\/li\u003e\n\u003cli\u003eSeries: AK5\u003c\/li\u003e\n\u003cli\u003eModel: AK5-050EXT\u003c\/li\u003e\n\u003cli\u003eØD (Diameter): 50 mm\u003c\/li\u003e\n\u003cli\u003eExtension Length: 50 mm\u003c\/li\u003e\n\u003cli\u003eType: Boring Head Extension\u003c\/li\u003e\n\u003cli\u003eCompatibility: Acrow BSD Series Boring Heads\u003c\/li\u003e\n\u003cli\u003eMaterial: Hardened Alloy Steel\u003c\/li\u003e\n\u003cli\u003eSurface Finish: Precision Ground\u003c\/li\u003e\n\u003cli\u003eConcentricity: ≤ 0.005 mm\u003c\/li\u003e\n\u003cli\u003eApplication: Extends boring depth while maintaining accuracy and rigidity\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACROW MACHINERY MFG CO LTD","offers":[{"title":"Default Title","offer_id":51366511313183,"sku":"AK5050EXT","price":149.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0050\/2484\/1799\/files\/acrow-machinery-mfg-co-ltd-tool-holders-acrow-ak5-050ext-extension-50-mm-4749380778722-1207372634.png?v=1763563334"},{"product_id":"acrow-bsd-insert-holder-extension-b-bsd39-045-o50-63-mm","title":"Acrow BSD Insert Holder Extension – B.BSD39-045 (Ø50–63 mm)","description":"\u003cp style=\"font-family: Arial; font-size: large;\"\u003e\u003cstrong\u003eAcrow BSD Insert Holder Extension – B.BSD39-045\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-family: Arial; font-size: large;\"\u003eThe Acrow B.BSD39-045 Insert Holder Extension is a precision-engineered component designed to extend the reach of Acrow BSD39 boring heads for enhanced machining depth and flexibility. Manufactured from premium hardened alloy steel and precision ground, it provides outstanding rigidity, balance, and alignment for accurate boring operations. This extension supports both standard and back-boring functions, ensuring high performance in precision machining and cavity applications where stability and concentricity are critical.\u003c\/p\u003e\n\u003cp style=\"font-family: Arial; font-size: large;\"\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"font-family: Arial; font-size: large;\"\u003e\n\u003cli\u003eBrand: Acrow\u003c\/li\u003e\n\u003cli\u003eType: BSD Insert Holder Extension\u003c\/li\u003e\n\u003cli\u003eModel: B.BSD39-045\u003c\/li\u003e\n\u003cli\u003eCompatible Boring Head: BSD39\u003c\/li\u003e\n\u003cli\u003eFigure No.: 8\u003c\/li\u003e\n\u003cli\u003eØ Range: 50 – 63 mm\u003c\/li\u003e\n\u003cli\u003eØ Back Range: 53 – 63 mm\u003c\/li\u003e\n\u003cli\u003eAssociated Holder: B.BSD.HC4.39.1\u003c\/li\u003e\n\u003cli\u003eMaterial: Hardened Alloy Steel\u003c\/li\u003e\n\u003cli\u003eSurface Finish: Precision Ground\u003c\/li\u003e\n\u003cli\u003eApplication: Extends boring reach and back-boring capacity while maintaining rigidity and precision\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACROW MACHINERY MFG CO LTD","offers":[{"title":"Default Title","offer_id":51366603981087,"sku":"BSD39045","price":45.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0050\/2484\/1799\/files\/acrow-machinery-mfg-co-ltd-insert-holder-extension-acrow-bsd-insert-holder-extension-b-bsd39-045-o50-63-mm-4749946262283-1214505306.jpg?v=1767738820"},{"product_id":"acrow-bsd-insert-holder-extension-b-bsd31-090-o50-60-mm","title":"Acrow BSD Insert Holder Extension – B.BSD31-090 (Ø50–60 mm)","description":"\u003cp style=\"font-family: Arial; font-size: large;\"\u003e\u003cstrong\u003eAcrow BSD Insert Holder Extension – B.BSD31-090\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-family: Arial; font-size: large;\"\u003eThe Acrow B.BSD31-090 Insert Holder Extension is a high-precision component engineered to extend the working range of Acrow BSD31 boring heads. Made from hardened alloy steel and precision ground to exact tolerances, it delivers excellent rigidity, balance, and concentricity during deep boring and finishing operations. This model allows both forward and back-boring, providing maximum flexibility for complex machining applications while ensuring smooth performance and superior surface finish. Designed to Acrow’s strict standards, it offers exceptional accuracy, durability, and repeatability in demanding CNC environments.\u003c\/p\u003e\n\u003cp style=\"font-family: Arial; font-size: large;\"\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"font-family: Arial; font-size: large;\"\u003e\n\u003cli\u003eBrand: Acrow\u003c\/li\u003e\n\u003cli\u003eType: BSD Insert Holder Extension\u003c\/li\u003e\n\u003cli\u003eModel: B.BSD31-090\u003c\/li\u003e\n\u003cli\u003eCompatible Boring Head: BSD31\u003c\/li\u003e\n\u003cli\u003eFigure No.: 9\u003c\/li\u003e\n\u003cli\u003eØ Range: 50 – 60 mm\u003c\/li\u003e\n\u003cli\u003eØ Back Range: 50 – 60 mm\u003c\/li\u003e\n\u003cli\u003eAssociated Holder: B.BSD.HC3.31.2\u003c\/li\u003e\n\u003cli\u003eMaterial: Hardened Alloy Steel\u003c\/li\u003e\n\u003cli\u003eSurface Finish: Precision Ground\u003c\/li\u003e\n\u003cli\u003eApplication: Extends boring reach and supports back-boring for deeper machining with rigidity and accuracy\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACROW MACHINERY MFG CO LTD","offers":[{"title":"Default Title","offer_id":51366604013855,"sku":"BSD31090","price":56.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0050\/2484\/1799\/files\/acrow-machinery-mfg-co-ltd-insert-holder-extension-acrow-bsd-insert-holder-extension-b-bsd31-090-o50-60-mm-4749450527588-1214505312.jpg?v=1767738820"},{"product_id":"acrow-bsd-insert-holder-extension-b-bsd39-100-o61-74-mm","title":"Acrow BSD Insert Holder Extension – B.BSD39-100 (Ø61–74 mm)","description":"\u003cp style=\"font-family: Arial; font-size: large;\"\u003e\u003cstrong\u003eAcrow BSD Insert Holder Extension – B.BSD39-100\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-family: Arial; font-size: large;\"\u003eThe Acrow B.BSD39-100 Insert Holder Extension is a precision-engineered accessory developed to extend the boring capacity of Acrow BSD39 boring heads. Manufactured from hardened alloy steel and precision ground to exacting tolerances, it ensures superior rigidity, balance, and accuracy for deep boring and finishing applications. The B.BSD39-100 is ideal for both standard and back-boring operations, maintaining concentricity and surface precision in demanding machining conditions. Designed to Acrow’s exact quality standards, it provides consistent performance and long service life in CNC and manual boring operations.\u003c\/p\u003e\n\u003cp style=\"font-family: Arial; font-size: large;\"\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"font-family: Arial; font-size: large;\"\u003e\n\u003cli\u003eBrand: Acrow\u003c\/li\u003e\n\u003cli\u003eType: BSD Insert Holder Extension\u003c\/li\u003e\n\u003cli\u003eModel: B.BSD39-100\u003c\/li\u003e\n\u003cli\u003eCompatible Boring Head: BSD39\u003c\/li\u003e\n\u003cli\u003eFigure No.: 9\u003c\/li\u003e\n\u003cli\u003eØ Range: 61 – 74 mm\u003c\/li\u003e\n\u003cli\u003eØ Back Range: 61 – 74 mm\u003c\/li\u003e\n\u003cli\u003eAssociated Holder: B.BSD.HC4.39.2\u003c\/li\u003e\n\u003cli\u003eMaterial: Hardened Alloy Steel\u003c\/li\u003e\n\u003cli\u003eSurface Finish: Precision Ground\u003c\/li\u003e\n\u003cli\u003eApplication: Extends boring depth and enables back-boring while maintaining high rigidity and precision\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACROW MACHINERY MFG CO LTD","offers":[{"title":"Default Title","offer_id":51366604046623,"sku":"BSD39100","price":47.88,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0050\/2484\/1799\/files\/acrow-machinery-mfg-co-ltd-insert-holder-extension-acrow-bsd-insert-holder-extension-b-bsd39-100-o61-74-mm-4749947621058-1214506140.jpg?v=1767738819"},{"product_id":"acrow-bsd-insert-holder-extension-b-bsd64-130-o94-126-mm","title":"Acrow BSD Insert Holder Extension – B.BSD64-130 (Ø94–126 mm)","description":"\u003cp style=\"font-family: Arial; font-size: large;\"\u003e\u003cstrong\u003eAcrow BSD Insert Holder Extension – B.BSD64-130\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-family: Arial; font-size: large;\"\u003eThe Acrow B.BSD64-130 Insert Holder Extension is a high-precision tool engineered to extend the machining depth and capability of Acrow BSD64 boring heads. Manufactured from premium hardened alloy steel and precision ground to tight tolerances, it provides exceptional rigidity, balance, and minimal run-out for both standard and back-boring operations. This extension is ideal for deep boring applications requiring high accuracy and superior surface finish, maintaining alignment and stability under demanding machining conditions. Built to Acrow’s renowned quality standards, it ensures long-term reliability and performance.\u003c\/p\u003e\n\u003cp style=\"font-family: Arial; font-size: large;\"\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"font-family: Arial; font-size: large;\"\u003e\n\u003cli\u003eBrand: Acrow\u003c\/li\u003e\n\u003cli\u003eType: BSD Insert Holder Extension\u003c\/li\u003e\n\u003cli\u003eModel: B.BSD64-130\u003c\/li\u003e\n\u003cli\u003eCompatible Boring Head: BSD64\u003c\/li\u003e\n\u003cli\u003eFigure No.: 8\u003c\/li\u003e\n\u003cli\u003eØ Range: 94 – 126 mm\u003c\/li\u003e\n\u003cli\u003eØ Back Range: 94 – 126 mm\u003c\/li\u003e\n\u003cli\u003eAssociated Holder: B.BSD.HC6.64.1\u003c\/li\u003e\n\u003cli\u003eMaterial: Hardened Alloy Steel\u003c\/li\u003e\n\u003cli\u003eSurface Finish: Precision Ground\u003c\/li\u003e\n\u003cli\u003eApplication: Extends boring reach and enables deep or back-boring while maintaining accuracy and rigidity\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACROW MACHINERY MFG CO LTD","offers":[{"title":"Default Title","offer_id":51366604079391,"sku":"B.BSD64-130","price":129.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0050\/2484\/1799\/files\/acrow-machinery-mfg-co-ltd-insert-holder-extension-acrow-bsd-insert-holder-extension-b-bsd64-130-o94-126-mm-4749965456236-1214595336.jpg?v=1767738821"},{"product_id":"acrow-bsd-insert-holder-extension-b-bsd64-250-o70-100-mm","title":"Acrow BSD Insert Holder Extension – B.BSD64-250 (Ø70–100 mm)","description":"\u003cp style=\"font-family: Arial; font-size: large;\"\u003e\u003cstrong\u003eAcrow BSD Insert Holder Extension – B.BSD64-250\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-family: Arial; font-size: large;\"\u003eThe Acrow B.BSD64-250 Insert Holder Extension is a precision-engineered component developed to extend the boring depth and versatility of Acrow BSD64 boring heads. Constructed from high-quality hardened alloy steel and precision ground, it provides exceptional rigidity, balance, and alignment for deep-hole and back-boring operations. This long-length model ensures outstanding performance and minimal run-out, making it ideal for demanding machining applications where extended reach and stability are essential. Built to Acrow’s high manufacturing standards, it delivers reliability and precision in all professional machining environments.\u003c\/p\u003e\n\u003cp style=\"font-family: Arial; font-size: large;\"\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"font-family: Arial; font-size: large;\"\u003e\n\u003cli\u003eBrand: Acrow\u003c\/li\u003e\n\u003cli\u003eType: BSD Insert Holder Extension\u003c\/li\u003e\n\u003cli\u003eModel: B.BSD64-250\u003c\/li\u003e\n\u003cli\u003eCompatible Boring Head: BSD64\u003c\/li\u003e\n\u003cli\u003eFigure No.: 9\u003c\/li\u003e\n\u003cli\u003eØ Range: 118 – 150 mm\u003c\/li\u003e\n\u003cli\u003eØ Back Range: 118 – 150 mm\u003c\/li\u003e\n\u003cli\u003eAssociated Holder: B.BSD.HC6.64.2\u003c\/li\u003e\n\u003cli\u003eMaterial: Hardened Alloy Steel\u003c\/li\u003e\n\u003cli\u003eSurface Finish: Precision Ground\u003c\/li\u003e\n\u003cli\u003eApplication: Provides extended boring reach and supports back-boring while maintaining rigidity, accuracy, and balance\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACROW MACHINERY MFG CO LTD","offers":[{"title":"Default Title","offer_id":51366604112159,"sku":"BSD64250","price":69.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0050\/2484\/1799\/files\/acrow-machinery-mfg-co-ltd-insert-holder-extension-acrow-bsd-insert-holder-extension-b-bsd64-250-o70-100-mm-4749965588791-1207372607.png?v=1763563576"},{"product_id":"acrow-bsd-insert-holder-extension-b-bsd19-050-o30-36-mm","title":"Acrow BSD Insert Holder Extension – B.BSD19-050 (Ø30–36 mm)","description":"\u003cp style=\"font-family: Arial; font-size: large;\"\u003e\u003cstrong\u003eAcrow BSD Insert Holder Extension – B.BSD19-050\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-family: Arial; font-size: large;\"\u003eThe Acrow B.BSD19-050 Insert Holder Extension is a precision-engineered accessory designed to extend the boring range of Acrow BSD19 boring heads. Constructed from high-grade hardened alloy steel and precision ground, it ensures superior rigidity, balance, and alignment during high-accuracy boring operations. This model is ideal for applications requiring extended boring depth or back-boring capability while maintaining outstanding machining precision and surface quality. Designed to Acrow’s high manufacturing standards, it provides a reliable connection with minimal run-out for demanding machining tasks.\u003c\/p\u003e\n\u003cp style=\"font-family: Arial; font-size: large;\"\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"font-family: Arial; font-size: large;\"\u003e\n\u003cli\u003eBrand: Acrow\u003c\/li\u003e\n\u003cli\u003eType: BSD Insert Holder Extension\u003c\/li\u003e\n\u003cli\u003eModel: B.BSD19-050\u003c\/li\u003e\n\u003cli\u003eCompatible Boring Head: BSD19\u003c\/li\u003e\n\u003cli\u003eFigure No.: 9\u003c\/li\u003e\n\u003cli\u003eØ Range: 30 – 36 mm\u003c\/li\u003e\n\u003cli\u003eØ Back Range: 30 – 36 mm\u003c\/li\u003e\n\u003cli\u003eAssociated Holder: B.BSD.HC1.19.2\u003c\/li\u003e\n\u003cli\u003eMaterial: Hardened Alloy Steel\u003c\/li\u003e\n\u003cli\u003eSurface Finish: Precision Ground\u003c\/li\u003e\n\u003cli\u003eApplication: Extends boring reach and back-boring capability while maintaining rigidity and high concentric accuracy\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACROW MACHINERY MFG CO LTD","offers":[{"title":"Default Title","offer_id":51366604144927,"sku":"BSD19050","price":46.2,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0050\/2484\/1799\/files\/acrow-machinery-mfg-co-ltd-insert-holder-extension-acrow-bsd-insert-holder-extension-b-bsd19-050-o30-36-mm-4749389620084-1214505318.jpg?v=1767738820"},{"product_id":"acrow-bsd-insert-holder-extension-b-bsd31-045-o41-51-mm","title":"Acrow BSD Insert Holder Extension – B.BSD31-045 (Ø41–51 mm)","description":"\u003cp style=\"font-family: Arial; font-size: large;\"\u003e\u003cstrong\u003eAcrow BSD Insert Holder Extension – B.BSD31-045\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-family: Arial; font-size: large;\"\u003eThe Acrow B.BSD31-045 Insert Holder Extension is a precision-engineered extension designed to expand the reach and capability of Acrow BSD31 boring heads. Manufactured from hardened alloy steel and precision ground to tight tolerances, it offers outstanding rigidity, balance, and minimal run-out for accurate boring and finishing operations. This model supports both standard and back-boring applications, making it ideal for deep cavity machining where accuracy and surface quality are essential. Built to Acrow’s high-quality standards, it ensures dependable performance and durability in demanding CNC environments.\u003c\/p\u003e\n\u003cp style=\"font-family: Arial; font-size: large;\"\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"font-family: Arial; font-size: large;\"\u003e\n\u003cli\u003eBrand: Acrow\u003c\/li\u003e\n\u003cli\u003eType: BSD Insert Holder Extension\u003c\/li\u003e\n\u003cli\u003eModel: B.BSD31-045\u003c\/li\u003e\n\u003cli\u003eCompatible Boring Head: BSD31\u003c\/li\u003e\n\u003cli\u003eFigure No.: 8\u003c\/li\u003e\n\u003cli\u003eØ Range: 41 – 51 mm\u003c\/li\u003e\n\u003cli\u003eØ Back Range: 46 – 51 mm\u003c\/li\u003e\n\u003cli\u003eAssociated Holder: B.BSD.HC3.31.1\u003c\/li\u003e\n\u003cli\u003eMaterial: Hardened Alloy Steel\u003c\/li\u003e\n\u003cli\u003eSurface Finish: Precision Ground\u003c\/li\u003e\n\u003cli\u003eApplication: Extends boring reach and supports back-boring operations while maintaining rigidity and accuracy\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACROW MACHINERY MFG CO LTD","offers":[{"title":"Default Title","offer_id":51366604177695,"sku":"BSD31045","price":56.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0050\/2484\/1799\/files\/acrow-machinery-mfg-co-ltd-insert-holder-extension-acrow-bsd-insert-holder-extension-b-bsd31-045-o41-51-mm-4749449047080-1215157415.jpg?v=1767825299"},{"product_id":"acrow-bsd-insert-holder-extension-b-bsd50-060-o65-82-mm","title":"Acrow BSD Insert Holder Extension – B.BSD50-060 (Ø65–82 mm)","description":"\u003ch1 style=\"font-family: Arial; font-size: large;\"\u003e\u003cstrong\u003eAcrow BSD Insert Holder Extension – B.BSD50-060\u003c\/strong\u003e\u003c\/h1\u003e\n\u003cp style=\"font-family: Arial; font-size: large;\"\u003eThe Acrow B.BSD50-060 Insert Holder Extension is a precision-engineered component designed to extend the operating range of Acrow BSD50 boring heads. Manufactured from hardened alloy steel and precision ground, it ensures excellent rigidity, balance, and alignment during deep or back-boring operations. This model offers outstanding stability and repeatability, making it ideal for precision machining applications where accuracy and surface finish are critical. Built to Acrow’s strict quality standards, the B.BSD50-060 provides reliable performance and long service life under demanding CNC machining conditions.\u003c\/p\u003e\n\u003cp style=\"font-family: Arial; font-size: large;\"\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"font-family: Arial; font-size: large;\"\u003e\n\u003cli\u003eBrand: Acrow\u003c\/li\u003e\n\u003cli\u003eType: BSD Insert Holder Extension\u003c\/li\u003e\n\u003cli\u003eModel: B.BSD50-060\u003c\/li\u003e\n\u003cli\u003eCompatible Boring Head: BSD50\u003c\/li\u003e\n\u003cli\u003eFigure No.: 8\u003c\/li\u003e\n\u003cli\u003eØ Range: 65 – 82 mm\u003c\/li\u003e\n\u003cli\u003eØ Back Range: 65 – 82 mm\u003c\/li\u003e\n\u003cli\u003eAssociated Holder: B.BSD.HC5.50.1\u003c\/li\u003e\n\u003cli\u003eMaterial: Hardened Alloy Steel\u003c\/li\u003e\n\u003cli\u003eSurface Finish: \u003ca href=\"https:\/\/twineagleimports.com.au\/products\/acrow-bsd-insert-holder-extension-b-bsd50-125-o78-95-mm\"\u003ePrecision Ground\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eApplication: Extends boring reach and supports back-boring with superior rigidity and precision\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACROW MACHINERY MFG CO LTD","offers":[{"title":"Default Title","offer_id":51366604210463,"sku":"BSD50060","price":56.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0050\/2484\/1799\/files\/acrow-machinery-mfg-co-ltd-insert-holder-extension-acrow-bsd-insert-holder-extension-b-bsd50-060-o65-82-mm-4749948264407-1214506135.jpg?v=1767738826"},{"product_id":"acrow-bsd-insert-holder-extension-b-bsd19-025-o25-31-mm","title":"Acrow BSD Insert Holder Extension – B.BSD19-025 (Ø25–31 mm)","description":"\u003ch1 style=\"font-family: Arial; font-size: large;\"\u003eAcrow BSD Insert Holder Extension – B.BSD19-025\u003c\/h1\u003e\n\u003cp style=\"font-family: Arial; font-size: large;\"\u003eThe Acrow B.BSD19-025 Insert Holder Extension is a precision-manufactured tool designed to extend the boring capacity of Acrow BSD19 boring heads. Made from premium hardened alloy steel and precision ground to exacting tolerances, it ensures superior rigidity, balance, and concentricity for accurate boring performance. This extension is ideal for applications requiring additional reach or back-boring operations while maintaining exceptional machining accuracy and surface finish quality.\u003c\/p\u003e\n\u003cp style=\"font-family: Arial; font-size: large;\"\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"font-family: Arial; font-size: large;\"\u003e\n\u003cli\u003eBrand: Acrow\u003c\/li\u003e\n\u003cli\u003eType: BSD Insert Holder Extension\u003c\/li\u003e\n\u003cli\u003eModel: B.BSD19-025\u003c\/li\u003e\n\u003cli\u003eCompatible Boring Head: BSD19\u003c\/li\u003e\n\u003cli\u003eFigure No.: 8\u003c\/li\u003e\n\u003cli\u003eØ Range: 25 – 31 mm\u003c\/li\u003e\n\u003cli\u003eØ Back Range: 30 – 31 mm\u003c\/li\u003e\n\u003cli\u003eAssociated Holder: B.BSD.HC1.19.1\u003c\/li\u003e\n\u003cli\u003eMaterial: Hardened Alloy Steel\u003c\/li\u003e\n\u003cli\u003eSurface Finish: Precision Ground\u003c\/li\u003e\n\u003cli\u003eApplication: Extends boring reach and supports back-boring while maintaining \u003ca href=\"https:\/\/twineagleimports.com.au\/products\/acrow-bsd-insert-holder-extension-b-bsd39-045-o50-63-mm\"\u003ehigh rigidity and precision\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACROW MACHINERY MFG CO LTD","offers":[{"title":"Default Title","offer_id":51366604243231,"sku":"BSD19025","price":56.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0050\/2484\/1799\/files\/acrow-machinery-mfg-co-ltd-insert-holder-extension-acrow-bsd-insert-holder-extension-b-bsd19-025-o25-31-mm-4749387160872-1214505326.jpg?v=1767738825"},{"product_id":"acrow-bsd-insert-holder-extension-b-bsd24-070-o39-47-mm","title":"Acrow BSD Insert Holder Extension – B.BSD24-070 (Ø39–47 mm)","description":"\u003cp style=\"font-family: Arial; font-size: large;\"\u003e\u003cstrong\u003eAcrow BSD Insert Holder Extension – B.BSD24-070\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-family: Arial; font-size: large;\"\u003eThe Acrow B.BSD24-070 Insert Holder Extension is a precision-manufactured accessory designed to increase the boring depth and flexibility of Acrow BSD24 boring heads. Constructed from hardened alloy steel and precision ground, it provides excellent rigidity, balance, and alignment for stable and accurate machining. The B.BSD24-070 model is ideal for extended reach or back-boring applications where consistency, durability, and precision are critical. Designed to Acrow’s stringent standards, it ensures minimal run-out and long-lasting performance in high-precision machining environments.\u003c\/p\u003e\n\u003cp style=\"font-family: Arial; font-size: large;\"\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"font-family: Arial; font-size: large;\"\u003e\n\u003cli\u003eBrand: Acrow\u003c\/li\u003e\n\u003cli\u003eType: BSD Insert Holder Extension\u003c\/li\u003e\n\u003cli\u003eModel: B.BSD24-070\u003c\/li\u003e\n\u003cli\u003eCompatible Boring Head: BSD24\u003c\/li\u003e\n\u003cli\u003eFigure No.: 9\u003c\/li\u003e\n\u003cli\u003eØ Range: 39 – 47 mm\u003c\/li\u003e\n\u003cli\u003eØ Back Range: 39 – 47 mm\u003c\/li\u003e\n\u003cli\u003eAssociated Holder: B.BSD.HC2.24.2\u003c\/li\u003e\n\u003cli\u003eMaterial: Hardened Alloy Steel\u003c\/li\u003e\n\u003cli\u003eSurface Finish: Precision Ground\u003c\/li\u003e\n\u003cli\u003eApplication: Extends boring reach and back-boring capacity while maintaining rigidity and high accuracy\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACROW MACHINERY MFG CO LTD","offers":[{"title":"Default Title","offer_id":51366604275999,"sku":"BSD24070","price":46.2,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0050\/2484\/1799\/files\/acrow-machinery-mfg-co-ltd-insert-holder-extension-acrow-bsd-insert-holder-extension-b-bsd24-070-o39-47-mm-4749392816269-1215157416.jpg?v=1767825301"},{"product_id":"acrow-bsd-insert-holder-extension-b-bsd50-125-o78-95-mm","title":"Acrow BSD Insert Holder Extension – B.BSD50-125 (Ø78–95 mm)","description":"\u003ch1 style=\"font-family: Arial; font-size: large;\"\u003e\u003cstrong\u003eAcrow BSD Insert Holder Extension – B.BSD50-125\u003c\/strong\u003e\u003c\/h1\u003e\n\u003cp style=\"font-family: Arial; font-size: large;\"\u003eThe Acrow B.BSD50-125 Insert Holder Extension is a precision tool designed to extend the boring range and flexibility of Acrow BSD50 boring heads. Constructed from premium hardened alloy steel and precision ground for accuracy, it ensures excellent rigidity, balance, and stability during deep-hole boring and back-boring operations. This model provides dependable performance in applications requiring extended reach while maintaining minimal run-out and consistent accuracy. Designed and manufactured to Acrow’s exacting standards, the B.BSD50-125 delivers superior machining results in both CNC and manual setups.\u003c\/p\u003e\n\u003cp style=\"font-family: Arial; font-size: large;\"\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"font-family: Arial; font-size: large;\"\u003e\n\u003cli\u003eBrand: Acrow\u003c\/li\u003e\n\u003cli\u003eType: BSD Insert Holder Extension\u003c\/li\u003e\n\u003cli\u003eModel: B.BSD50-125\u003c\/li\u003e\n\u003cli\u003eCompatible Boring Head: BSD50\u003c\/li\u003e\n\u003cli\u003eFigure No.: 9\u003c\/li\u003e\n\u003cli\u003eØ Range: 78 – 95 mm\u003c\/li\u003e\n\u003cli\u003eØ Back Range: 78 – 95 mm\u003c\/li\u003e\n\u003cli\u003eAssociated Holder: B.BSD.HC5.50.2\u003c\/li\u003e\n\u003cli\u003eMaterial: Hardened Alloy Steel\u003c\/li\u003e\n\u003cli\u003eSurface Finish: Precision Ground\u003c\/li\u003e\n\u003cli\u003eApplication: Extends boring depth and \u003ca href=\"https:\/\/twineagleimports.com.au\/products\/acrow-bsd-insert-holder-extension-b-bsd39-100-o61-74-mm\"\u003esupports back-boring\u003c\/a\u003e with high rigidity and precision alignment\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACROW MACHINERY MFG CO LTD","offers":[{"title":"Default Title","offer_id":51366604308767,"sku":"BSD50125","price":48.72,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0050\/2484\/1799\/files\/acrow-machinery-mfg-co-ltd-insert-holder-extension-acrow-bsd-insert-holder-extension-b-bsd50-125-o78-95-mm-4749948417193-1214595338.jpg?v=1767738825"},{"product_id":"acrow-bsd-insert-holder-extension-b-bsd24-045-o32-40-mm","title":"Acrow BSD Insert Holder Extension – B.BSD24-045 (Ø32–40 mm)","description":"\u003cp style=\"font-family: Arial; font-size: large;\"\u003e\u003cstrong\u003eAcrow BSD Insert Holder Extension – B.BSD24-045\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-family: Arial; font-size: large;\"\u003eThe Acrow B.BSD24-045 Insert Holder Extension is a precision-engineered tool designed to extend the reach and boring capacity of Acrow BSD24 boring heads. Manufactured from hardened alloy steel and precision ground, it ensures exceptional rigidity, balance, and concentricity during high-performance machining. This extension supports both standard and back-boring operations, making it ideal for applications that demand increased depth or cavity access without sacrificing accuracy or stability. Designed to meet Acrow’s exacting standards, it delivers reliable performance and long service life in professional machining environments.\u003c\/p\u003e\n\u003cp style=\"font-family: Arial; font-size: large;\"\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"font-family: Arial; font-size: large;\"\u003e\n\u003cli\u003eBrand: Acrow\u003c\/li\u003e\n\u003cli\u003eType: BSD Insert Holder Extension\u003c\/li\u003e\n\u003cli\u003eModel: B.BSD24-045\u003c\/li\u003e\n\u003cli\u003eCompatible Boring Head: BSD24\u003c\/li\u003e\n\u003cli\u003eFigure No.: 8\u003c\/li\u003e\n\u003cli\u003eØ Range: 32 – 40 mm\u003c\/li\u003e\n\u003cli\u003eØ Back Range: 36 – 40 mm\u003c\/li\u003e\n\u003cli\u003eAssociated Holder: B.BSD.HC2.24.1\u003c\/li\u003e\n\u003cli\u003eMaterial: Hardened Alloy Steel\u003c\/li\u003e\n\u003cli\u003eSurface Finish: Precision Ground\u003c\/li\u003e\n\u003cli\u003eApplication: Extends boring reach and supports back-boring while maintaining rigidity and precision\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACROW MACHINERY MFG CO LTD","offers":[{"title":"Default Title","offer_id":51366604374303,"sku":"BSD24045","price":56.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0050\/2484\/1799\/files\/acrow-machinery-mfg-co-ltd-insert-holder-extension-acrow-bsd-insert-holder-extension-b-bsd24-045-o32-40-mm-4749392554888-1214505314.jpg?v=1767738826"},{"product_id":"acrow-bt40-ak3-150-ak-modular-boring-shank-o31-mm-150-mm-length","title":"Acrow BT40-AK3-150 – AK Modular Boring Shank (Ø31 mm, 150 mm Length)","description":"\u003ch1 style=\"font-family: Arial; font-size: large;\"\u003e\u003cstrong\u003eAcrow BT40-AK3-150 – AK Modular Boring Shank (Ø31 mm, 150 mm Length)\u003c\/strong\u003e\u003c\/h1\u003e\n\u003cp style=\"font-family: Arial; font-size: large;\"\u003eThe \u003cstrong\u003eAcrow BT40-AK3-150\u003c\/strong\u003e is a long-length \u003ca href=\"https:\/\/twineagleimports.com.au\/products\/acrow-bt50-ak3-200-ak-modular-boring-shank-o31-mm-200-mm-length\"\u003e\u003cstrong\u003eAK Modular Boring Shank\u003c\/strong\u003e \u003c\/a\u003ebuilt for AK3 boring heads. With a 150 mm gauge length, it provides additional reach while maintaining superior rigidity and balance. Engineered from hardened alloy steel and precision-ground, this arbor ensures exceptional accuracy, smooth cutting, and excellent surface finish during extended boring operations.\u003c\/p\u003e\n\u003cp style=\"font-family: Arial; font-size: large;\"\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"font-family: Arial; font-size: large;\"\u003e\n\u003cli\u003eBrand: Acrow\u003c\/li\u003e\n\u003cli\u003eType: AK Modular Boring Shank\u003c\/li\u003e\n\u003cli\u003eModel: BT40-AK3-150\u003c\/li\u003e\n\u003cli\u003eCompatible Boring Head: AK3\u003c\/li\u003e\n\u003cli\u003eFigure No.: 2\u003c\/li\u003e\n\u003cli\u003eBody Diameter (ØD): 31 mm\u003c\/li\u003e\n\u003cli\u003eFlange Diameter (ØD1): 50 mm\u003c\/li\u003e\n\u003cli\u003eGauge Length (L): 150 mm\u003c\/li\u003e\n\u003cli\u003eExtension (L1): 58 mm\u003c\/li\u003e\n\u003cli\u003eMaterial: Hardened Alloy Steel\u003c\/li\u003e\n\u003cli\u003eSurface Finish: Precision Ground\u003c\/li\u003e\n\u003cli\u003eRun-out Accuracy: ≤ 0.005 mm\u003c\/li\u003e\n\u003cli\u003eApplication: Designed for extended boring operations using Acrow AK3 heads on BT40 spindle machines.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACROW MACHINERY MFG CO LTD","offers":[{"title":"Default Title","offer_id":51366847152415,"sku":"BT40AK3150","price":305.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0050\/2484\/1799\/files\/acrow-machinery-mfg-co-ltd-adaptor-acrow-bt40-ak3-150-ak-modular-boring-shank-o31-mm-150-mm-length-4748069988445-1207372489.png?v=1763558766"},{"product_id":"acrow-bt40-ak5-080-ak-modular-boring-shank-o50-mm-80-mm-length","title":"Acrow BT40-AK2-080 AK Boring Shank Ø24mm, 80mm","description":"\u003ch1\u003eAcrow BT40-AK5-080 – AK Modular Boring Shank\u003c\/h1\u003e\n\u003cp\u003eThe \u003cstrong\u003eAcrow BT40-AK5-080\u003c\/strong\u003e is a short, heavy-duty \u003cstrong\u003eAK Modular Boring Shank\u003c\/strong\u003e designed for AK5 boring heads. With a robust 50 mm body diameter and 80 mm gauge length, it provides outstanding stability and minimal deflection during large-diameter boring. Engineered from hardened alloy steel and precision-ground for balance, this arbor guarantees smooth cutting and dimensional accuracy.\u003c\/p\u003e\n\u003ch3\u003eSpecifications:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: Acrow\u003c\/li\u003e\n\u003cli\u003eType: AK Modular Boring Shank\u003c\/li\u003e\n\u003cli\u003eModel: BT40-AK5-080\u003c\/li\u003e\n\u003cli\u003eCompatible Boring Head: AK5\u003c\/li\u003e\n\u003cli\u003eFigure No.: 1\u003c\/li\u003e\n\u003cli\u003eBody Diameter (ØD): 50 mm\u003c\/li\u003e\n\u003cli\u003eGauge Length (L): 80 mm\u003c\/li\u003e\n\u003cli\u003eMaterial: Hardened Alloy Steel\u003c\/li\u003e\n\u003cli\u003eSurface Finish: Precision Ground\u003c\/li\u003e\n\u003cli\u003eRun-out Accuracy: ≤ 0.005 mm\u003c\/li\u003e\n\u003cli\u003eApplication: Short-reach \u003ca href=\"https:\/\/twineagleimports.com.au\/products\/acrow-bt40-ak5-135-ak-modular-boring-shank-o50-mm-135-mm-length\"\u003eheavy-duty boring\u003c\/a\u003e with AK5 heads on BT40 spindles.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACROW MACHINERY MFG CO LTD","offers":[{"title":"Default Title","offer_id":51366847185183,"sku":"BT40AK5080","price":258.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0050\/2484\/1799\/files\/acrow-machinery-mfg-co-ltd-adaptor-acrow-bt40-ak2-080-ak-boring-shank-o24mm-80mm-4748073163760-1207372508.png?v=1763562609"},{"product_id":"acrow-bt40-ak4-195-ak-modular-boring-shank-o39-mm-195-mm-length","title":"Acrow BT40-AK4-195 – AK Modular Boring Shank (Ø39 mm, 195 mm Length)","description":"\u003cp\u003e\u003cstrong\u003eAcrow BT40-AK4-195 – AK Modular Boring Shank (Ø39 mm, 195 mm Length)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eAcrow BT40-AK4-195\u003c\/strong\u003e is a long-reach \u003cstrong\u003eAK Modular Boring Shank\u003c\/strong\u003e developed for deep boring with AK4 heads. Featuring a 195 mm gauge length, it maintains exceptional rigidity and alignment, even in extended machining conditions. Precision-ground to tight tolerances and made from high-grade hardened alloy steel, it ensures superior performance, minimal run-out, and excellent surface finish in demanding applications.\u003c\/p\u003e\n\u003ch3\u003eSpecifications:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: Acrow\u003c\/li\u003e\n\u003cli\u003eType: AK Modular Boring Shank\u003c\/li\u003e\n\u003cli\u003eModel: BT40-AK4-195\u003c\/li\u003e\n\u003cli\u003eCompatible Boring Head: AK4\u003c\/li\u003e\n\u003cli\u003eFigure No.: 2\u003c\/li\u003e\n\u003cli\u003eBody Diameter (ØD): 39 mm\u003c\/li\u003e\n\u003cli\u003eFlange Diameter (ØD1): 50 mm\u003c\/li\u003e\n\u003cli\u003eGauge Length (L): 195 mm\u003c\/li\u003e\n\u003cli\u003eExtension (L1): 56 mm\u003c\/li\u003e\n\u003cli\u003eMaterial: Hardened Alloy Steel\u003c\/li\u003e\n\u003cli\u003eSurface Finish: Precision Ground\u003c\/li\u003e\n\u003cli\u003eRun-out Accuracy: ≤ 0.005 mm\u003c\/li\u003e\n\u003cli\u003eApplication: Designed for long-reach boring with Acrow AK4 heads on BT40 spindles where rigidity and reach are essential.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACROW MACHINERY MFG CO LTD","offers":[{"title":"Default Title","offer_id":51366847414559,"sku":"BT40AK4195","price":163.8,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0050\/2484\/1799\/files\/acrow-machinery-mfg-co-ltd-adaptor-acrow-bt40-ak4-195-ak-modular-boring-shank-o39-mm-195-mm-length-4748072267568-1207372488.png?v=1763562729"},{"product_id":"acrow-bt50-ak3-120-ak-modular-boring-shank-o31-mm-120-mm-length","title":"Acrow BT50-AK3-120 – AK Modular Boring Shank (Ø31 mm, 120 mm Length)","description":"\u003cp\u003e\u003cstrong\u003eAcrow BT50-AK3-120 – AK Modular Boring Shank (Ø31 mm, 120 mm Length)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eAcrow BT50-AK3-120\u003c\/strong\u003e is a robust \u003cstrong\u003eAK Modular Boring Shank\u003c\/strong\u003e for AK3 boring heads. With a 120 mm gauge length and a solid 31 mm diameter, it delivers outstanding rigidity and balance for high-precision boring. Its hardened steel construction and precision-ground finish ensure minimal run-out and extended tool life.\u003c\/p\u003e\n\u003ch3\u003eSpecifications:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: Acrow\u003c\/li\u003e\n\u003cli\u003eType: AK Modular Boring Shank\u003c\/li\u003e\n\u003cli\u003eModel: BT50-AK3-120\u003c\/li\u003e\n\u003cli\u003eCompatible Boring Head: AK3\u003c\/li\u003e\n\u003cli\u003eFigure No.: 1\u003c\/li\u003e\n\u003cli\u003eBody Diameter (ØD): 31 mm\u003c\/li\u003e\n\u003cli\u003eGauge Length (L): 120 mm\u003c\/li\u003e\n\u003cli\u003eMaterial: Hardened Alloy Steel\u003c\/li\u003e\n\u003cli\u003eSurface Finish: Precision Ground\u003c\/li\u003e\n\u003cli\u003eRun-out Accuracy: ≤ 0.005 mm\u003c\/li\u003e\n\u003cli\u003eApplication: Ideal for precision medium-depth boring using AK3 heads on BT50 spindle systems.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACROW MACHINERY MFG CO LTD","offers":[{"title":"Default Title","offer_id":51366847447327,"sku":"BT50AK3120","price":235.2,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0050\/2484\/1799\/files\/acrow-machinery-mfg-co-ltd-adaptor-acrow-bt50-ak3-120-ak-modular-boring-shank-o31-mm-120-mm-length-4748153599533-1207372492.png?v=1763560922"},{"product_id":"acrow-bt40-ak2-175-ak-modular-boring-shank-o24-mm-175-mm-length","title":"Acrow BT40-AK2-175 – AK Modular Boring Shank (Ø24 mm, 175 mm Length)","description":"\u003cp style=\"font-family: Arial; font-size: large;\"\u003e\u003cstrong\u003eAcrow BT40-AK2-175 – AK Modular Boring Shank (Ø24 mm, 175 mm Length)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-family: Arial; font-size: large;\"\u003eThe \u003cstrong\u003eAcrow BT40-AK2-175\u003c\/strong\u003e is a long-projection \u003cstrong\u003eAK Modular Boring Shank\u003c\/strong\u003e for extended reach applications with AK2 boring heads. Its 175 mm length delivers greater depth capacity without sacrificing rigidity. Constructed from precision-ground hardened alloy steel, it maintains excellent balance and alignment for consistent accuracy and superior surface finish.\u003c\/p\u003e\n\u003cp style=\"font-family: Arial; font-size: large;\"\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"font-family: Arial; font-size: large;\"\u003e\n\u003cli\u003eBrand: Acrow\u003c\/li\u003e\n\u003cli\u003eType: AK Modular Boring Shank\u003c\/li\u003e\n\u003cli\u003eModel: BT40-AK2-175\u003c\/li\u003e\n\u003cli\u003eCompatible Boring Head: AK2\u003c\/li\u003e\n\u003cli\u003eFigure No.: 2\u003c\/li\u003e\n\u003cli\u003eBody Diameter (ØD): 24 mm\u003c\/li\u003e\n\u003cli\u003eFlange Diameter (ØD1): 45 mm\u003c\/li\u003e\n\u003cli\u003eGauge Length (L): 175 mm\u003c\/li\u003e\n\u003cli\u003eMaterial: Hardened Alloy Steel\u003c\/li\u003e\n\u003cli\u003eSurface Finish: Precision Ground\u003c\/li\u003e\n\u003cli\u003eRun-out Accuracy: ≤ 0.005 mm\u003c\/li\u003e\n\u003cli\u003eApplication: Designed for long-reach boring with Acrow AK2 heads on BT40 machines where extra depth is required.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACROW MACHINERY MFG CO LTD","offers":[{"title":"Default Title","offer_id":51366847512863,"sku":"BT40AK2175","price":159.6,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0050\/2484\/1799\/files\/acrow-machinery-mfg-co-ltd-adaptor-acrow-bt40-ak2-175-ak-modular-boring-shank-o24-mm-175-mm-length-4748068847972-1207372468.png?v=1763558882"},{"product_id":"acrow-bt40-ak6-065-ak-modular-boring-shank-o64-mm-65-mm-length","title":"Acrow BT40-AK6-065 – AK Modular Boring Shank (Ø64 mm, 65 mm Length)","description":"\u003cp\u003e\u003cstrong\u003eAcrow BT40-AK6-065 – AK Modular Boring Shank (Ø64 mm, 65 mm Length)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eAcrow BT40-AK6-065\u003c\/strong\u003e is a heavy-duty \u003cstrong\u003eAK Modular Boring Shank\u003c\/strong\u003e for large-diameter boring with AK6 heads. Featuring a 65 mm gauge length and 64 mm body diameter, it offers exceptional rigidity and vibration resistance for stable, high-precision cutting. This arbor is manufactured from hardened alloy steel and precision-ground for balance and accuracy, making it ideal for large boring operations on BT40 spindle systems.\u003c\/p\u003e\n\u003ch3\u003eSpecifications:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: Acrow\u003c\/li\u003e\n\u003cli\u003eType: AK Modular Boring Shank\u003c\/li\u003e\n\u003cli\u003eModel: BT40-AK6-065\u003c\/li\u003e\n\u003cli\u003eCompatible Boring Head: AK6\u003c\/li\u003e\n\u003cli\u003eFigure No.: 1\u003c\/li\u003e\n\u003cli\u003eBody Diameter (ØD): 64 mm\u003c\/li\u003e\n\u003cli\u003eGauge Length (L): 65 mm\u003c\/li\u003e\n\u003cli\u003eMaterial: Hardened Alloy Steel\u003c\/li\u003e\n\u003cli\u003eSurface Finish: Precision Ground\u003c\/li\u003e\n\u003cli\u003eRun-out Accuracy: ≤ 0.005 mm\u003c\/li\u003e\n\u003cli\u003eApplication: For short, large-diameter boring operations requiring superior rigidity and balance on BT40 spindles.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACROW MACHINERY MFG CO LTD","offers":[{"title":"Default Title","offer_id":51366847545631,"sku":"BT40AK6065","price":258.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0050\/2484\/1799\/files\/acrow-machinery-mfg-co-ltd-adaptor-acrow-bt40-ak6-065-ak-modular-boring-shank-o64-mm-65-mm-length-4748073676994-1207372494.png?v=1763535728"},{"product_id":"acrow-bt50-ak2-225-ak-modular-boring-shank-o24-mm-225-mm-length","title":"Acrow BT50-AK2-225 – AK Boring Shank Ø24mm, 225mm","description":"\u003cp\u003e\u003cstrong\u003eAcrow BT50-AK2-225 – AK Modular Boring Shank (Ø24 mm, 225 mm Length)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eAcrow BT50-AK2-225\u003c\/strong\u003e is an extended-length \u003cstrong\u003eAK Modular Boring Shank\u003c\/strong\u003e designed for deep boring applications using AK2 heads. With a 225 mm gauge length, it offers enhanced reach while maintaining precise concentricity and stiffness. Ideal for large-component boring, this arbor ensures consistent tool performance and superior surface finish.\u003c\/p\u003e\n\u003ch3\u003eSpecifications:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: Acrow\u003c\/li\u003e\n\u003cli\u003eType: AK Modular Boring Shank\u003c\/li\u003e\n\u003cli\u003eModel: BT50-AK2-225\u003c\/li\u003e\n\u003cli\u003eCompatible Boring Head: AK2\u003c\/li\u003e\n\u003cli\u003eFigure No.: 2\u003c\/li\u003e\n\u003cli\u003eBody Diameter (ØD): 24 mm\u003c\/li\u003e\n\u003cli\u003eFlange Diameter (ØD1): 45 mm\u003c\/li\u003e\n\u003cli\u003eGauge Length (L): 225 mm\u003c\/li\u003e\n\u003cli\u003eExtension (L1): 65 mm\u003c\/li\u003e\n\u003cli\u003eMaterial: Hardened Alloy Steel\u003c\/li\u003e\n\u003cli\u003eSurface Finish: Precision Ground\u003c\/li\u003e\n\u003cli\u003eRun-out Accuracy: ≤ 0.005 mm\u003c\/li\u003e\n\u003cli\u003eApplication: Best suited for long-reach boring on BT50 spindles with Acrow AK2 heads for high-precision machining.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACROW MACHINERY MFG CO LTD","offers":[{"title":"Default Title","offer_id":51366847578399,"sku":"BT50AK2225","price":315.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0050\/2484\/1799\/files\/acrow-machinery-mfg-co-ltd-adaptor-acrow-bt50-ak2-225-ak-boring-shank-o24mm-225mm-4748153372327-1207372472.png?v=1763558775"},{"product_id":"acrow-bt40-ak6-120-ak-modular-boring-shank-o64-mm-120-mm-length","title":"Acrow BT40-AK6-120 – AK Boring Shank Ø64mm, 120mm","description":"\u003cp\u003e\u003cstrong\u003eAcrow BT40-AK6-120 – AK Modular Boring Shank (Ø64 mm, 120 mm Length)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eAcrow BT40-AK6-120\u003c\/strong\u003e is a precision-engineered \u003cstrong\u003eAK Modular Boring Shank\u003c\/strong\u003e designed for use with AK6 boring heads. With a 120 mm gauge length, it provides an excellent combination of rigidity and reach. Constructed from hardened alloy steel and finished to tight tolerances, it ensures reliable accuracy and smooth performance in large-diameter boring tasks.\u003c\/p\u003e\n\u003ch3\u003eSpecifications:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: Acrow\u003c\/li\u003e\n\u003cli\u003eType: AK Modular Boring Shank\u003c\/li\u003e\n\u003cli\u003eModel: BT40-AK6-120\u003c\/li\u003e\n\u003cli\u003eCompatible Boring Head: AK6\u003c\/li\u003e\n\u003cli\u003eFigure No.: 1\u003c\/li\u003e\n\u003cli\u003eBody Diameter (ØD): 64 mm\u003c\/li\u003e\n\u003cli\u003eGauge Length (L): 120 mm\u003c\/li\u003e\n\u003cli\u003eMaterial: Hardened Alloy Steel\u003c\/li\u003e\n\u003cli\u003eSurface Finish: Precision Ground\u003c\/li\u003e\n\u003cli\u003eRun-out Accuracy: ≤ 0.005 mm\u003c\/li\u003e\n\u003cli\u003eApplication: Medium-length boring for large-diameter operations with Acrow AK6 heads on BT40 spindle systems.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACROW MACHINERY MFG CO LTD","offers":[{"title":"Default Title","offer_id":51366847611167,"sku":"BT40AK6120","price":295.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0050\/2484\/1799\/files\/acrow-machinery-mfg-co-ltd-adaptor-acrow-bt40-ak6-120-ak-boring-shank-o64mm-120mm-4748076857109-1207372479.png?v=1763562612"},{"product_id":"acrow-bt50-ak1-220-ak-modular-boring-shank-o19-mm-220-mm-length","title":"Acrow BT50-AK1-220 – AK Boring Shank Ø19mm, 220mm","description":"\u003cp\u003e\u003cstrong\u003eAcrow BT50-AK1-220 – AK Modular Boring Shank (Ø19 mm, 220 mm Length)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eAcrow BT50-AK1-220\u003c\/strong\u003e is a long-projection \u003cstrong\u003eAK Modular Boring Shank\u003c\/strong\u003e designed for AK1 boring heads on BT50 spindle systems. Its 220 mm gauge length provides exceptional reach while maintaining superior rigidity. Constructed from hardened alloy steel and precision-ground, this shank ensures smooth, accurate boring performance even under heavy cutting loads.\u003c\/p\u003e\n\u003ch3\u003eSpecifications:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: Acrow\u003c\/li\u003e\n\u003cli\u003eType: AK Modular Boring Shank\u003c\/li\u003e\n\u003cli\u003eModel: BT50-AK1-220\u003c\/li\u003e\n\u003cli\u003eCompatible Boring Head: AK1\u003c\/li\u003e\n\u003cli\u003eFigure No.: 2\u003c\/li\u003e\n\u003cli\u003eBody Diameter (ØD): 19 mm\u003c\/li\u003e\n\u003cli\u003eFlange Diameter (ØD1): 40 mm\u003c\/li\u003e\n\u003cli\u003eGauge Length (L): 220 mm\u003c\/li\u003e\n\u003cli\u003eMaterial: Hardened Alloy Steel\u003c\/li\u003e\n\u003cli\u003eSurface Finish: Precision Ground\u003c\/li\u003e\n\u003cli\u003eRun-out Accuracy: ≤ 0.005 mm\u003c\/li\u003e\n\u003cli\u003eApplication: Designed for deep boring operations with AK1 heads on BT50 spindles requiring extended reach and precision stability.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACROW MACHINERY MFG CO LTD","offers":[{"title":"Default Title","offer_id":51366847643935,"sku":"BT50AK1220","price":315.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0050\/2484\/1799\/files\/acrow-machinery-mfg-co-ltd-adaptor-acrow-bt50-ak1-220-ak-boring-shank-o19mm-220mm-4748147940686-1207372478.png?v=1763562723"},{"product_id":"acrow-bt40-ak2-125-ak-modular-boring-shank-o24-mm-125-mm-length","title":"Acrow BT40-AK2-125 – AK Boring Shank Ø24mm, 125mm","description":"\u003cp style=\"font-family: Arial; font-size: large;\"\u003e\u003cstrong\u003eAcrow BT40-AK2-125 – AK Modular Boring Shank (Ø24 mm, 125 mm Length)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-family: Arial; font-size: large;\"\u003eThe \u003cstrong\u003eAcrow BT40-AK2-125\u003c\/strong\u003e is a medium-length \u003cstrong\u003eAK Modular Boring Shank\u003c\/strong\u003e engineered for accurate boring with AK2 heads. Its 125 mm gauge length offers increased reach while maintaining excellent rigidity and balance. Precision-ground and made from hardened alloy steel, it ensures high stability, accuracy, and surface quality during boring operations.\u003c\/p\u003e\n\u003cp style=\"font-family: Arial; font-size: large;\"\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"font-family: Arial; font-size: large;\"\u003e\n\u003cli\u003eBrand: Acrow\u003c\/li\u003e\n\u003cli\u003eType: AK Modular Boring Shank\u003c\/li\u003e\n\u003cli\u003eModel: BT40-AK2-125\u003c\/li\u003e\n\u003cli\u003eCompatible Boring Head: AK2\u003c\/li\u003e\n\u003cli\u003eFigure No.: 2\u003c\/li\u003e\n\u003cli\u003eBody Diameter (ØD): 24 mm\u003c\/li\u003e\n\u003cli\u003eFlange Diameter (ØD1): 45 mm\u003c\/li\u003e\n\u003cli\u003eGauge Length (L): 125 mm\u003c\/li\u003e\n\u003cli\u003eExtension (L1): 53 mm\u003c\/li\u003e\n\u003cli\u003eMaterial: Hardened Alloy Steel\u003c\/li\u003e\n\u003cli\u003eSurface Finish: Precision Ground\u003c\/li\u003e\n\u003cli\u003eRun-out Accuracy: ≤ 0.005 mm\u003c\/li\u003e\n\u003cli\u003eApplication: Ideal for moderate-depth boring with Acrow AK2 heads, ensuring reliable rigidity and dimensional precision.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACROW MACHINERY MFG CO LTD","offers":[{"title":"Default Title","offer_id":51366847676703,"sku":"BT40AK2125","price":134.4,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0050\/2484\/1799\/files\/acrow-machinery-mfg-co-ltd-adaptor-acrow-bt40-ak2-125-ak-boring-shank-o24mm-125mm-4748068721029-1207372449.png?v=1763562839"},{"product_id":"acrow-bt40-ak5-185-ak-modular-boring-shank-o50-mm-185-mm-length","title":"Acrow BT40-AK5-185 – AK Boring Shank Ø50mm, 185mm","description":"\u003ch1\u003eAcrow BT40-AK5-185\u003c\/h1\u003e\n\u003cp\u003eThe \u003cstrong\u003eAcrow BT40-AK5-185\u003c\/strong\u003e is a long-reach \u003cstrong\u003eAK Modular Boring Shank\u003c\/strong\u003e built for use with AK5 boring heads. Designed for large-diameter and \u003ca href=\"https:\/\/twineagleimports.com.au\/products\/acrow-bt40-ak5-135-ak-modular-boring-shank-o50-mm-135-mm-length\"\u003edeep boring operations\u003c\/a\u003e, it maintains high rigidity over its 185 mm gauge length. Constructed from hardened alloy steel and ground for exceptional precision, this arbor delivers outstanding stability, reduced vibration, and improved cutting consistency.\u003c\/p\u003e\n\u003ch3\u003eSpecifications:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: Acrow\u003c\/li\u003e\n\u003cli\u003eType: AK Modular Boring Shank\u003c\/li\u003e\n\u003cli\u003eModel: BT40-AK5-185\u003c\/li\u003e\n\u003cli\u003eCompatible Boring Head: AK5\u003c\/li\u003e\n\u003cli\u003eFigure No.: 2\u003c\/li\u003e\n\u003cli\u003eBody Diameter (ØD): 50 mm\u003c\/li\u003e\n\u003cli\u003eFlange Diameter (ØD1): 55 mm\u003c\/li\u003e\n\u003cli\u003eGauge Length (L): 185 mm\u003c\/li\u003e\n\u003cli\u003eExtension (L1): 93 mm\u003c\/li\u003e\n\u003cli\u003eMaterial: Hardened Alloy Steel\u003c\/li\u003e\n\u003cli\u003eSurface Finish: Precision Ground\u003c\/li\u003e\n\u003cli\u003eRun-out Accuracy: ≤ 0.005 mm\u003c\/li\u003e\n\u003cli\u003eApplication: Suited for deep boring operations with Acrow AK5 heads, ensuring maximum stability and minimal tool deflection.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACROW MACHINERY MFG CO LTD","offers":[{"title":"Default Title","offer_id":51366847709471,"sku":"BT40AK5185","price":350.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0050\/2484\/1799\/files\/acrow-machinery-mfg-co-ltd-adaptor-acrow-bt40-ak5-185-ak-boring-shank-o50mm-185mm-4748073468414-1207372480.png?v=1763561051"},{"product_id":"acrow-bt40-ak6-170-ak-modular-boring-shank-o64-mm-170-mm-length","title":"Acrow BT40-AK6-170 – AK Boring Shank Ø64mm, 170mm","description":"\u003cp\u003e\u003cstrong\u003eAcrow BT40-AK6-170 – AK Modular Boring Shank (Ø64 mm, 170 mm Length)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eAcrow BT40-AK6-170\u003c\/strong\u003e is a long-projection \u003cstrong\u003eAK Modular Boring Shank\u003c\/strong\u003e for deep boring applications with AK6 heads. With a 170 mm gauge length and 64 mm diameter, it maintains structural stiffness while providing the reach needed for extended machining. The precision-ground finish ensures optimal alignment and minimal run-out, even under high-load conditions.\u003c\/p\u003e\n\u003ch3\u003eSpecifications:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: Acrow\u003c\/li\u003e\n\u003cli\u003eType: AK Modular Boring Shank\u003c\/li\u003e\n\u003cli\u003eModel: BT40-AK6-170\u003c\/li\u003e\n\u003cli\u003eCompatible Boring Head: AK6\u003c\/li\u003e\n\u003cli\u003eFigure No.: 1\u003c\/li\u003e\n\u003cli\u003eBody Diameter (ØD): 64 mm\u003c\/li\u003e\n\u003cli\u003eGauge Length (L): 170 mm\u003c\/li\u003e\n\u003cli\u003eMaterial: Hardened Alloy Steel\u003c\/li\u003e\n\u003cli\u003eSurface Finish: Precision Ground\u003c\/li\u003e\n\u003cli\u003eRun-out Accuracy: ≤ 0.005 mm\u003c\/li\u003e\n\u003cli\u003eApplication: Designed for long-reach large-diameter boring with AK6 heads where rigidity and reach are critical.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACROW MACHINERY MFG CO LTD","offers":[{"title":"Default Title","offer_id":51366847775007,"sku":"BT40AK6170","price":159.6,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0050\/2484\/1799\/files\/acrow-machinery-mfg-co-ltd-adaptor-acrow-bt40-ak6-170-ak-boring-shank-o64mm-170mm-4748077121629-1207372452.png?v=1763561042"},{"product_id":"acrow-bt50-ak1-170-ak-modular-boring-shank-o19-mm-170-mm-length","title":"Acrow BT50-AK1-170 – AK Boring Shank Ø19mm, 170mm","description":"\u003cp\u003e\u003cstrong\u003eAcrow BT50-AK1-170 – AK Modular Boring Shank (Ø19 mm, 170 mm Length)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eAcrow BT50-AK1-170\u003c\/strong\u003e is a long-reach \u003cstrong\u003eAK Modular Boring Shank\u003c\/strong\u003e designed for AK1 boring heads. With a 170 mm gauge length, it enables deeper boring with excellent accuracy and balance. Constructed from hardened alloy steel and precision-ground to tight tolerances, it delivers maximum stability and durability for high-precision operations on BT50 spindle systems.\u003c\/p\u003e\n\u003ch3\u003eSpecifications:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: Acrow\u003c\/li\u003e\n\u003cli\u003eType: AK Modular Boring Shank\u003c\/li\u003e\n\u003cli\u003eModel: BT50-AK1-170\u003c\/li\u003e\n\u003cli\u003eCompatible Boring Head: AK1\u003c\/li\u003e\n\u003cli\u003eFigure No.: 2\u003c\/li\u003e\n\u003cli\u003eBody Diameter (ØD): 19 mm\u003c\/li\u003e\n\u003cli\u003eFlange Diameter (ØD1): 40 mm\u003c\/li\u003e\n\u003cli\u003eGauge Length (L): 170 mm\u003c\/li\u003e\n\u003cli\u003eExtension (L1): 40 mm\u003c\/li\u003e\n\u003cli\u003eMaterial: Hardened Alloy Steel\u003c\/li\u003e\n\u003cli\u003eSurface Finish: Precision Ground\u003c\/li\u003e\n\u003cli\u003eRun-out Accuracy: ≤ 0.005 mm\u003c\/li\u003e\n\u003cli\u003eApplication: Used for long-reach precision boring with Acrow AK1 heads on BT50 spindle machines.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACROW MACHINERY MFG CO LTD","offers":[{"title":"Default Title","offer_id":51366847807775,"sku":"BT50AK1170","price":281.4,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0050\/2484\/1799\/files\/acrow-machinery-mfg-co-ltd-adaptor-acrow-bt50-ak1-170-ak-boring-shank-o19mm-170mm-4748136084513-1207372466.png?v=1763561047"},{"product_id":"acrow-bt40-ak1-170-ak-modular-boring-shank-o19-mm-170-mm-length","title":"Acrow BT40-AK1-170 – AK Boring Shank Ø19mm, 170mm","description":"\u003cp style=\"font-family: Arial; font-size: large;\"\u003e\u003cstrong\u003eAcrow BT40-AK1-170 – AK Modular Boring Shank (Ø19 mm, 170 mm Length)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-family: Arial; font-size: large;\"\u003eThe \u003cstrong\u003eAcrow BT40-AK1-170\u003c\/strong\u003e is a long-projection \u003cstrong\u003eAK Modular Boring Shank\u003c\/strong\u003e engineered for deep boring with AK1 heads. Built from high-strength hardened alloy steel and precision-ground for accuracy, it maintains rigidity and alignment at extended reach. The 170 mm length allows deep-bore machining while maintaining balance and precision, ideal for applications requiring maximum reach without compromising tool stability.\u003c\/p\u003e\n\u003cp style=\"font-family: Arial; font-size: large;\"\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"font-family: Arial; font-size: large;\"\u003e\n\u003cli\u003eBrand: Acrow\u003c\/li\u003e\n\u003cli\u003eType: AK Modular Boring Shank\u003c\/li\u003e\n\u003cli\u003eModel: BT40-AK1-170\u003c\/li\u003e\n\u003cli\u003eCompatible Boring Head: AK1\u003c\/li\u003e\n\u003cli\u003eFigure No.: 2\u003c\/li\u003e\n\u003cli\u003eBody Diameter (ØD): 19 mm\u003c\/li\u003e\n\u003cli\u003eFlange Diameter (ØD1): 40 mm\u003c\/li\u003e\n\u003cli\u003eGauge Length (L): 170 mm\u003c\/li\u003e\n\u003cli\u003eExtension (L1): 40 mm\u003c\/li\u003e\n\u003cli\u003eMaterial: Hardened Alloy Steel\u003c\/li\u003e\n\u003cli\u003eSurface Finish: Precision Ground\u003c\/li\u003e\n\u003cli\u003eRun-out Accuracy: ≤ 0.005 mm\u003c\/li\u003e\n\u003cli\u003eApplication: Designed for long-reach precision boring with Acrow AK1 heads on BT40 spindle systems where extended machining depth is required.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACROW MACHINERY MFG CO LTD","offers":[{"title":"Default Title","offer_id":51366847873311,"sku":"BT40AK1170","price":159.6,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0050\/2484\/1799\/files\/acrow-machinery-mfg-co-ltd-adaptor-acrow-bt40-ak1-170-ak-boring-shank-o19mm-170mm-4748066977367-1207372431.png?v=1763535599"},{"product_id":"acrow-bt50-ak1-105-ak-modular-boring-shank-o19-mm-105-mm-length","title":"Acrow BT50-AK1-105 – AK Boring Shank Ø19mm, 105mm","description":"\u003cp\u003e\u003cstrong\u003eAcrow BT50-AK1-105 – AK Modular Boring Shank (Ø19 mm, 105 mm Length)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eAcrow BT50-AK1-105\u003c\/strong\u003e is a precision \u003cstrong\u003eAK Modular Boring Shank\u003c\/strong\u003e designed for AK1 boring heads and BT50 spindles. With a 105 mm gauge length, it provides superior rigidity and balance for high-precision boring operations. Manufactured from hardened alloy steel and precision-ground, it ensures long tool life and consistent performance under heavy cutting loads.\u003c\/p\u003e\n\u003ch3\u003eSpecifications:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: Acrow\u003c\/li\u003e\n\u003cli\u003eType: AK Modular Boring Shank\u003c\/li\u003e\n\u003cli\u003eModel: BT50-AK1-105\u003c\/li\u003e\n\u003cli\u003eCompatible Boring Head: AK1\u003c\/li\u003e\n\u003cli\u003eFigure No.: 2\u003c\/li\u003e\n\u003cli\u003eBody Diameter (ØD): 19 mm\u003c\/li\u003e\n\u003cli\u003eFlange Diameter (ØD1): 31 mm\u003c\/li\u003e\n\u003cli\u003eGauge Length (L): 105 mm\u003c\/li\u003e\n\u003cli\u003eExtension (L1): 40 mm\u003c\/li\u003e\n\u003cli\u003eMaterial: Hardened Alloy Steel\u003c\/li\u003e\n\u003cli\u003eSurface Finish: Precision Ground\u003c\/li\u003e\n\u003cli\u003eRun-out Accuracy: ≤ 0.005 mm\u003c\/li\u003e\n\u003cli\u003eApplication: Suitable for short, high-rigidity boring with Acrow AK1 heads on BT50 spindle systems.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACROW MACHINERY MFG CO LTD","offers":[{"title":"Default Title","offer_id":51366847906079,"sku":"BT50AK1105","price":418.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0050\/2484\/1799\/files\/acrow-machinery-mfg-co-ltd-adaptor-acrow-bt50-ak1-105-ak-boring-shank-o19mm-105mm-4748135311269-1207372467.png?v=1763535601"},{"product_id":"acrow-bt50-ak6-095-ak-modular-boring-shank-o64-mm-95-mm-length","title":"Acrow BT50-AK6-095 – AK Boring Shank Ø64mm, 95mm","description":"\u003cp style=\"font-family: Arial; font-size: large;\"\u003e\u003cstrong\u003eAcrow BT50-AK6-095 – AK Modular Boring Shank (Ø64 mm, 95 mm Length)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-family: Arial; font-size: large;\"\u003eThe \u003cstrong\u003eAcrow BT50-AK6-095\u003c\/strong\u003e is a heavy-duty \u003cstrong\u003eAK Modular Boring Shank\u003c\/strong\u003e built for large-diameter boring with AK6 heads. Featuring a 64 mm body diameter and a shorter 95 mm gauge length, it delivers excellent rigidity and vibration resistance—ideal for large-diameter and high-load boring operations on BT50 spindle systems.\u003c\/p\u003e\n\u003cp style=\"font-family: Arial; font-size: large;\"\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"font-family: Arial; font-size: large;\"\u003e\n\u003cli\u003eBrand: Acrow\u003c\/li\u003e\n\u003cli\u003eType: AK Modular Boring Shank\u003c\/li\u003e\n\u003cli\u003eModel: BT50-AK6-095\u003c\/li\u003e\n\u003cli\u003eCompatible Boring Head: AK6\u003c\/li\u003e\n\u003cli\u003eBody Diameter (ØD): 64 mm\u003c\/li\u003e\n\u003cli\u003eGauge Length (L): 95 mm\u003c\/li\u003e\n\u003cli\u003eMaterial: Hardened Alloy Steel\u003c\/li\u003e\n\u003cli\u003eSurface Finish: Precision Ground\u003c\/li\u003e\n\u003cli\u003eRun-out Accuracy: ≤ 0.005 mm\u003c\/li\u003e\n\u003cli\u003eApplication: Built for short-reach, heavy-duty large-diameter boring with AK6 heads on BT50 spindles.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACROW MACHINERY MFG CO LTD","offers":[{"title":"Default Title","offer_id":51366847938847,"sku":"BT50AK6095","price":226.8,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0050\/2484\/1799\/files\/acrow-machinery-mfg-co-ltd-adaptor-acrow-bt50-ak6-095-ak-boring-shank-o64mm-95mm-4748183665239-1207372432.png?v=1763558898"},{"product_id":"acrow-bt50-ak3-200-ak-modular-boring-shank-o31-mm-200-mm-length","title":"Acrow BT50-AK3-200 – AK Boring Shank Ø31mm, 200mm","description":"\u003ch1 style=\"font-family: Arial; font-size: large;\"\u003eAcrow BT50-AK3-200 – AK Modular Boring Shank\u003c\/h1\u003e\n\u003cp style=\"font-family: Arial; font-size: large;\"\u003eThe \u003cstrong\u003eAcrow BT50-AK3-200\u003c\/strong\u003e is a long-projection \u003cstrong\u003eAK Modular Boring Shank\u003c\/strong\u003e designed for use with AK3 boring heads on BT50 spindle systems. Its 200 mm gauge length offers extended reach for deep machining while retaining excellent rigidity and precision. Manufactured from hardened alloy steel and precision-ground for accuracy, this arbor supports stable, high-accuracy boring and superior surface finish in demanding production environments.\u003c\/p\u003e\n\u003cp style=\"font-family: Arial; font-size: large;\"\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"font-family: Arial; font-size: large;\"\u003e\n\u003cli\u003eBrand: Acrow\u003c\/li\u003e\n\u003cli\u003eType: \u003ca href=\"https:\/\/twineagleimports.com.au\/products\/acrow-bt40-ak3-150-ak-modular-boring-shank-o31-mm-150-mm-length\"\u003eAK Modular Boring Shank\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eModel: BT50-AK3-200\u003c\/li\u003e\n\u003cli\u003eCompatible Boring Head: AK3\u003c\/li\u003e\n\u003cli\u003eFigure No.: 2\u003c\/li\u003e\n\u003cli\u003eBody Diameter (ØD): 31 mm\u003c\/li\u003e\n\u003cli\u003eGauge Length (L): 200 mm\u003c\/li\u003e\n\u003cli\u003eExtension (L1): 80 mm\u003c\/li\u003e\n\u003cli\u003eMaterial: Hardened Alloy Steel\u003c\/li\u003e\n\u003cli\u003eSurface Finish: Precision Ground\u003c\/li\u003e\n\u003cli\u003eRun-out Accuracy: ≤ 0.005 mm\u003c\/li\u003e\n\u003cli\u003eApplication: For extended-reach precision boring operations with AK3 heads on BT50 spindle machines, offering both reach and accuracy.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACROW MACHINERY MFG CO LTD","offers":[{"title":"Default Title","offer_id":51366848004383,"sku":"BT50AK3200","price":294.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0050\/2484\/1799\/files\/acrow-machinery-mfg-co-ltd-adaptor-acrow-bt50-ak3-200-ak-boring-shank-o31mm-200mm-4748165191213-1207372454.png?v=1763559008"},{"product_id":"acrow-bt50-ak2-110-ak-modular-boring-shank-o24-mm-110-mm-length","title":"Acrow BT50-AK2-110 – AK Boring Shank Ø24mm, 110mm","description":"\u003cp\u003e\u003cstrong\u003eAcrow BT50-AK2-110 – AK Modular Boring Shank (Ø24 mm, 110 mm Length)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eAcrow BT50-AK2-110\u003c\/strong\u003e is a precision-ground \u003cstrong\u003eAK Modular Boring Shank\u003c\/strong\u003e engineered for AK2 boring heads. With a 110 mm gauge length and robust 24 mm body diameter, it provides rigidity and stability for medium-depth boring applications. Ideal for precision machining environments, it guarantees smooth chip evacuation and dimensional accuracy.\u003c\/p\u003e\n\u003ch3\u003eSpecifications:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: Acrow\u003c\/li\u003e\n\u003cli\u003eType: AK Modular Boring Shank\u003c\/li\u003e\n\u003cli\u003eModel: BT50-AK2-110\u003c\/li\u003e\n\u003cli\u003eCompatible Boring Head: AK2\u003c\/li\u003e\n\u003cli\u003eFigure No.: 1\u003c\/li\u003e\n\u003cli\u003eBody Diameter (ØD): 24 mm\u003c\/li\u003e\n\u003cli\u003eGauge Length (L): 110 mm\u003c\/li\u003e\n\u003cli\u003eMaterial: Hardened Alloy Steel\u003c\/li\u003e\n\u003cli\u003eSurface Finish: Precision Ground\u003c\/li\u003e\n\u003cli\u003eRun-out Accuracy: ≤ 0.005 mm\u003c\/li\u003e\n\u003cli\u003eApplication: Suited for medium-depth boring on BT50 machines with AK2 heads, combining reach with stability.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACROW MACHINERY MFG CO LTD","offers":[{"title":"Default Title","offer_id":51366848037151,"sku":"BT50AK2110","price":226.8,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0050\/2484\/1799\/files\/acrow-machinery-mfg-co-ltd-adaptor-acrow-bt50-ak2-110-ak-boring-shank-o24mm-110mm-4748149394623-1207372451.png?v=1763559011"},{"product_id":"acrow-bt50-ak6-210-ak-modular-boring-shank-o64-mm-210-mm-length","title":"Acrow BT50-AK6-210 – AK Boring Shank Ø64mm, 210mm","description":"\u003cp style=\"font-family: Arial; font-size: large;\"\u003e\u003cstrong\u003eAcrow BT50-AK6-210 – AK Modular Boring Shank (Ø64 mm, 210 mm Length)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-family: Arial; font-size: large;\"\u003eThe \u003cstrong\u003eAcrow BT50-AK6-210\u003c\/strong\u003e is a long-reach AK Modular Boring Shank designed for use with AK6 boring heads on BT50 systems. With its robust 64 mm body diameter and 210 mm gauge length, it delivers significant reach while maintaining structural rigidity and precision. Constructed from hardened alloy steel and precision-ground, this arbor provides excellent stability and minimal run-out for large-diameter, deep-boring applications.\u003c\/p\u003e\n\u003cp style=\"font-family: Arial; font-size: large;\"\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"font-family: Arial; font-size: large;\"\u003e\n\u003cli\u003eBrand: Acrow\u003c\/li\u003e\n\u003cli\u003eType: AK Modular Boring Shank\u003c\/li\u003e\n\u003cli\u003eModel: BT50-AK6-210\u003c\/li\u003e\n\u003cli\u003eCompatible Boring Head: AK6\u003c\/li\u003e\n\u003cli\u003eBody Diameter (ØD): 64 mm\u003c\/li\u003e\n\u003cli\u003eGauge Length (L): 210 mm\u003c\/li\u003e\n\u003cli\u003eMaterial: Hardened Alloy Steel\u003c\/li\u003e\n\u003cli\u003eSurface Finish: Precision Ground\u003c\/li\u003e\n\u003cli\u003eRun-out Accuracy: ≤ 0.005 mm\u003c\/li\u003e\n\u003cli\u003eApplication: For deep large-diameter boring operations requiring extended reach and precision using AK6 heads on BT50 spindles.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACROW MACHINERY MFG CO LTD","offers":[{"title":"Default Title","offer_id":51366848069919,"sku":"BT50AK6210","price":315.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0050\/2484\/1799\/files\/acrow-machinery-mfg-co-ltd-adaptor-acrow-bt50-ak6-210-ak-boring-shank-o64mm-210mm-4748183842128-1207372411.png?v=1763535494"},{"product_id":"acrow-bt40-ak1-070-ak-modular-boring-shank-o19-mm-70-mm-length","title":"Acrow BT40-AK1-070 – AK Boring Shank Ø19mm, 70mm","description":"\u003cp style=\"font-family: Arial; font-size: large;\"\u003e\u003cstrong\u003eAcrow BT40-AK1-070 – AK Modular Boring Shank (Ø19 mm, 70 mm Length)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-family: Arial; font-size: large;\"\u003eThe \u003cstrong\u003eAcrow BT40-AK1-070\u003c\/strong\u003e is a precision-engineered \u003cstrong\u003eAK Modular Boring Shank\u003c\/strong\u003e designed for use with AK1 boring heads. Its compact 70 mm design provides exceptional rigidity and balance, making it ideal for short-reach precision boring. Manufactured from hardened alloy steel and precision-ground to exact tolerances, it ensures excellent surface finish and minimal run-out in high-speed machining applications.\u003c\/p\u003e\n\u003cp style=\"font-family: Arial; font-size: large;\"\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"font-family: Arial; font-size: large;\"\u003e\n\u003cli\u003eBrand: Acrow\u003c\/li\u003e\n\u003cli\u003eType: AK Modular Boring Shank\u003c\/li\u003e\n\u003cli\u003eModel: BT40-AK1-070\u003c\/li\u003e\n\u003cli\u003eCompatible Boring Head: AK1\u003c\/li\u003e\n\u003cli\u003eFigure No.: 1\u003c\/li\u003e\n\u003cli\u003eBody Diameter (ØD): 19 mm\u003c\/li\u003e\n\u003cli\u003eGauge Length (L): 70 mm\u003c\/li\u003e\n\u003cli\u003eMaterial: Hardened Alloy Steel\u003c\/li\u003e\n\u003cli\u003eSurface Finish: Precision Ground\u003c\/li\u003e\n\u003cli\u003eRun-out Accuracy: ≤ 0.005 mm\u003c\/li\u003e\n\u003cli\u003eApplication: Designed for short-reach, high-accuracy boring using Acrow AK1 boring heads on BT40 spindle systems.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACROW MACHINERY MFG CO LTD","offers":[{"title":"Default Title","offer_id":51366848135455,"sku":"BT40AK1070","price":117.6,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0050\/2484\/1799\/files\/acrow-machinery-mfg-co-ltd-adaptor-acrow-bt40-ak1-070-ak-boring-shank-o19mm-70mm-4748056437192-1207372413.png?v=1763563802"},{"product_id":"acrow-bt50-ak3-240-ak-modular-boring-shank-o31-mm-240-mm-length","title":"Acrow BT50-AK3-240 – AK Boring Shank Ø31mm, 240mm","description":"\u003cp style=\"font-family: Arial; font-size: large;\"\u003e\u003cstrong\u003eAcrow BT50-AK3-240 – AK Modular Boring Shank (Ø31 mm, 240 mm Length)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-family: Arial; font-size: large;\"\u003eThe \u003cstrong\u003eAcrow BT50-AK3-240\u003c\/strong\u003e is a long-reach \u003cstrong\u003eAK Modular Boring Shank\u003c\/strong\u003e engineered for use with AK3 boring heads on BT50 spindle machines. With a 240 mm gauge length, it provides maximum reach for deep machining while maintaining structural rigidity and precision. Manufactured from hardened alloy steel and precision-ground, this shank delivers stability, reliability, and high accuracy for demanding boring operations.\u003c\/p\u003e\n\u003cp style=\"font-family: Arial; font-size: large;\"\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"font-family: Arial; font-size: large;\"\u003e\n\u003cli\u003eBrand: Acrow\u003c\/li\u003e\n\u003cli\u003eType: AK Modular Boring Shank\u003c\/li\u003e\n\u003cli\u003eModel: BT50-AK3-240\u003c\/li\u003e\n\u003cli\u003eCompatible Boring Head: AK3\u003c\/li\u003e\n\u003cli\u003eFigure No.: 2\u003c\/li\u003e\n\u003cli\u003eBody Diameter (ØD): 31 mm\u003c\/li\u003e\n\u003cli\u003eFlange Diameter (ØD1): 50 mm\u003c\/li\u003e\n\u003cli\u003eGauge Length (L): 240 mm\u003c\/li\u003e\n\u003cli\u003eExtension (L1): 80 mm\u003c\/li\u003e\n\u003cli\u003eMaterial: Hardened Alloy Steel\u003c\/li\u003e\n\u003cli\u003eSurface Finish: Precision Ground\u003c\/li\u003e\n\u003cli\u003eRun-out Accuracy: ≤ 0.005 mm\u003c\/li\u003e\n\u003cli\u003eApplication: For very long-reach precision boring with AK3 heads on BT50 spindles.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACROW MACHINERY MFG CO LTD","offers":[{"title":"Default Title","offer_id":51366848168223,"sku":"BT50AK3240","price":327.6,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0050\/2484\/1799\/files\/acrow-machinery-mfg-co-ltd-adaptor-acrow-bt50-ak3-240-ak-boring-shank-o31mm-240mm-4748165937545-1207372437.png?v=1763565852"},{"product_id":"acrow-bt40-ak1-120-ak-modular-boring-shank-o19-mm-120-mm-length","title":"Acrow BT40-AK1-120 – AK Boring Shank Ø19mm, 120mm","description":"\u003cp style=\"font-family: Arial; font-size: large;\"\u003e\u003cstrong\u003eAcrow BT40-AK1-120 – AK Modular Boring Shank (Ø19 mm, 120 mm Length)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-family: Arial; font-size: large;\"\u003eThe \u003cstrong\u003eAcrow BT40-AK1-120\u003c\/strong\u003e is a medium-length \u003cstrong\u003eAK Modular Boring Shank\u003c\/strong\u003e designed for use with AK1 boring heads. With a 120 mm gauge length, it offers a balanced combination of reach and rigidity. Crafted from premium hardened alloy steel and precision-ground for maximum accuracy, it delivers consistent cutting performance and excellent concentricity in moderate-depth boring operations.\u003c\/p\u003e\n\u003cp style=\"font-family: Arial; font-size: large;\"\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"font-family: Arial; font-size: large;\"\u003e\n\u003cli\u003eBrand: Acrow\u003c\/li\u003e\n\u003cli\u003eType: AK Modular Boring Shank\u003c\/li\u003e\n\u003cli\u003eModel: BT40-AK1-120\u003c\/li\u003e\n\u003cli\u003eCompatible Boring Head: AK1\u003c\/li\u003e\n\u003cli\u003eFigure No.: 2\u003c\/li\u003e\n\u003cli\u003eBody Diameter (ØD): 19 mm\u003c\/li\u003e\n\u003cli\u003eFlange Diameter (ØD1): 40 mm\u003c\/li\u003e\n\u003cli\u003eGauge Length (L): 120 mm\u003c\/li\u003e\n\u003cli\u003eMaterial: Hardened Alloy Steel\u003c\/li\u003e\n\u003cli\u003eSurface Finish: Precision Ground\u003c\/li\u003e\n\u003cli\u003eRun-out Accuracy: ≤ 0.005 mm\u003c\/li\u003e\n\u003cli\u003eApplication: Suitable for medium-depth boring using Acrow AK1 heads on BT40 spindles, ensuring reliable rigidity and superior surface finish.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACROW MACHINERY MFG CO LTD","offers":[{"title":"Default Title","offer_id":51366848200991,"sku":"BT40AK1120","price":295.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0050\/2484\/1799\/files\/acrow-machinery-mfg-co-ltd-adaptor-acrow-bt40-ak1-120-ak-boring-shank-o19mm-120mm-4748066919886-1207372438.png?v=1763565855"},{"product_id":"acrow-bt40-ak3-200-ak-modular-boring-shank-o31-mm-200-mm-length","title":"Acrow BT40-AK3-200 – AK Boring Shank Ø31mm, 200mm","description":"\u003cp style=\"font-family: Arial; font-size: large;\"\u003e\u003cstrong\u003eAcrow BT40-AK3-200 – AK Modular Boring Shank (Ø31 mm, 200 mm Length)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-family: Arial; font-size: large;\"\u003eThe \u003cstrong\u003eAcrow BT40-AK3-200\u003c\/strong\u003e is a long-projection \u003cstrong\u003eAK Modular Boring Shank\u003c\/strong\u003e for AK3 heads, ideal for deep boring applications. Its extended 200 mm gauge length allows for maximum reach without compromising rigidity. Manufactured from high-strength hardened alloy steel and precision-ground, it ensures dimensional accuracy, balance, and long tool life under high machining loads.\u003c\/p\u003e\n\u003cp style=\"font-family: Arial; font-size: large;\"\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"font-family: Arial; font-size: large;\"\u003e\n\u003cli\u003eBrand: Acrow\u003c\/li\u003e\n\u003cli\u003eType: AK Modular Boring Shank\u003c\/li\u003e\n\u003cli\u003eModel: BT40-AK3-200\u003c\/li\u003e\n\u003cli\u003eCompatible Boring Head: AK3\u003c\/li\u003e\n\u003cli\u003eFigure No.: 2\u003c\/li\u003e\n\u003cli\u003eBody Diameter (ØD): 31 mm\u003c\/li\u003e\n\u003cli\u003eFlange Diameter (ØD1): 50 mm\u003c\/li\u003e\n\u003cli\u003eGauge Length (L): 200 mm\u003c\/li\u003e\n\u003cli\u003eMaterial: Hardened Alloy Steel\u003c\/li\u003e\n\u003cli\u003eSurface Finish: Precision Ground\u003c\/li\u003e\n\u003cli\u003eRun-out Accuracy: ≤ 0.005 mm\u003c\/li\u003e\n\u003cli\u003eApplication: For deep boring using Acrow AK3 heads where rigidity and long reach are critical.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACROW MACHINERY MFG CO LTD","offers":[{"title":"Default Title","offer_id":51366848266527,"sku":"BT40AK3200","price":163.8,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0050\/2484\/1799\/files\/acrow-machinery-mfg-co-ltd-adaptor-acrow-bt40-ak3-200-ak-boring-shank-o31mm-200mm-4748070456186-1207372442.png?v=1763533812"},{"product_id":"acrow-bt40-ak4-145-ak-modular-boring-shank-o39-mm-145-mm-length","title":"Acrow BT40-AK4-145 – AK Boring Shank Ø39mm, 145mm","description":"\u003cp\u003e\u003cstrong\u003eAcrow BT40-AK4-145 – AK Modular Boring Shank (Ø39 mm, 145 mm Length)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eAcrow BT40-AK4-145\u003c\/strong\u003e is a medium-length \u003cstrong\u003eAK Modular Boring Shank\u003c\/strong\u003e designed for use with AK4 boring heads. With a 145 mm gauge length and 39 mm body diameter, this arbor offers an excellent balance of rigidity and reach, ensuring precise boring with stable cutting performance. Its precision-ground surface and hardened alloy construction deliver high accuracy and long service life.\u003c\/p\u003e\n\u003ch3\u003eSpecifications:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: Acrow\u003c\/li\u003e\n\u003cli\u003eType: AK Modular Boring Shank\u003c\/li\u003e\n\u003cli\u003eModel: BT40-AK4-145\u003c\/li\u003e\n\u003cli\u003eCompatible Boring Head: AK4\u003c\/li\u003e\n\u003cli\u003eFigure No.: 2\u003c\/li\u003e\n\u003cli\u003eBody Diameter (ØD): 39 mm\u003c\/li\u003e\n\u003cli\u003eFlange Diameter (ØD1): 50 mm\u003c\/li\u003e\n\u003cli\u003eGauge Length (L): 145 mm\u003c\/li\u003e\n\u003cli\u003eExtension (L1): 56 mm\u003c\/li\u003e\n\u003cli\u003eMaterial: Hardened Alloy Steel\u003c\/li\u003e\n\u003cli\u003eSurface Finish: Precision Ground\u003c\/li\u003e\n\u003cli\u003eRun-out Accuracy: ≤ 0.005 mm\u003c\/li\u003e\n\u003cli\u003eApplication: Ideal for moderate-depth boring operations using Acrow AK4 heads on BT40 spindle machines.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACROW MACHINERY MFG CO LTD","offers":[{"title":"Default Title","offer_id":51366848299295,"sku":"BT40AK4145","price":138.6,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0050\/2484\/1799\/files\/acrow-machinery-mfg-co-ltd-adaptor-acrow-bt40-ak4-145-ak-boring-shank-o39mm-145mm-4748072165567-1207372406.png?v=1763563578"},{"product_id":"acrow-bt40-ak3-095-ak-modular-boring-shank-o31-mm-95-mm-length","title":"Acrow BT40-AK3-095 – AK Boring Shank Ø31mm, 95mm","description":"\u003cp style=\"font-family: Arial; font-size: large;\"\u003e\u003cstrong\u003eAcrow BT40-AK3-095 – AK Modular Boring Shank (Ø31 mm, 95 mm Length)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-family: Arial; font-size: large;\"\u003eThe \u003cstrong\u003eAcrow BT40-AK3-095\u003c\/strong\u003e is a medium-diameter \u003cstrong\u003eAK Modular Boring Shank\u003c\/strong\u003e optimized for AK3 boring heads. Its 95 mm gauge length provides stability and rigidity for precision boring operations. Built from hardened alloy steel and ground to exacting standards, it ensures consistent performance and minimal vibration under demanding machining conditions.\u003c\/p\u003e\n\u003cp style=\"font-family: Arial; font-size: large;\"\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"font-family: Arial; font-size: large;\"\u003e\n\u003cli\u003eBrand: Acrow\u003c\/li\u003e\n\u003cli\u003eType: AK Modular Boring Shank\u003c\/li\u003e\n\u003cli\u003eModel: BT40-AK3-095\u003c\/li\u003e\n\u003cli\u003eCompatible Boring Head: AK3\u003c\/li\u003e\n\u003cli\u003eFigure No.: 1\u003c\/li\u003e\n\u003cli\u003eBody Diameter (ØD): 31 mm\u003c\/li\u003e\n\u003cli\u003eFlange Diameter (ØD1): 50 mm\u003c\/li\u003e\n\u003cli\u003eGauge Length (L): 95 mm\u003c\/li\u003e\n\u003cli\u003eMaterial: Hardened Alloy Steel\u003c\/li\u003e\n\u003cli\u003eSurface Finish: Precision Ground\u003c\/li\u003e\n\u003cli\u003eRun-out Accuracy: ≤ 0.005 mm\u003c\/li\u003e\n\u003cli\u003eApplication: Used with Acrow AK3 boring heads for stable, precise boring in medium-depth applications.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACROW MACHINERY MFG CO LTD","offers":[{"title":"Default Title","offer_id":51366848430367,"sku":"BT40AK3095","price":258.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0050\/2484\/1799\/files\/acrow-machinery-mfg-co-ltd-adaptor-acrow-bt40-ak3-095-ak-boring-shank-o31mm-95mm-4748069394567-1207372430.png?v=1763563689"},{"product_id":"acrow-bt50-ak2-175-ak-modular-boring-shank-o24-mm-175-mm-length","title":"Acrow BT50-AK2-175 AK Boring Shank Ø24mm, 175mm","description":"\u003cp\u003e\u003cstrong\u003eAcrow BT50-AK2-175 – AK Modular Boring Shank (Ø24 mm, 175 mm Length)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eAcrow BT50-AK2-175\u003c\/strong\u003e is a long-reach \u003cstrong\u003eAK Modular Boring Shank\u003c\/strong\u003e optimized for AK2 heads. Its 175 mm gauge length allows deeper boring while maintaining superior rigidity and vibration control. The hardened and ground steel body provides outstanding balance and concentricity for precision cutting at greater depths.\u003c\/p\u003e\n\u003ch3\u003eSpecifications:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: Acrow\u003c\/li\u003e\n\u003cli\u003eType: AK Modular Boring Shank\u003c\/li\u003e\n\u003cli\u003eModel: BT50-AK2-175\u003c\/li\u003e\n\u003cli\u003eCompatible Boring Head: AK2\u003c\/li\u003e\n\u003cli\u003eFigure No.: 2\u003c\/li\u003e\n\u003cli\u003eBody Diameter (ØD): 24 mm\u003c\/li\u003e\n\u003cli\u003eFlange Diameter (ØD1): 45 mm\u003c\/li\u003e\n\u003cli\u003eGauge Length (L): 175 mm\u003c\/li\u003e\n\u003cli\u003eExtension (L1): 65 mm\u003c\/li\u003e\n\u003cli\u003eMaterial: Hardened Alloy Steel\u003c\/li\u003e\n\u003cli\u003eSurface Finish: Precision Ground\u003c\/li\u003e\n\u003cli\u003eRun-out Accuracy: ≤ 0.005 mm\u003c\/li\u003e\n\u003cli\u003eApplication: Used for long-depth boring applications on BT50 spindles where reach and rigidity are equally critical.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACROW MACHINERY MFG CO LTD","offers":[{"title":"Default Title","offer_id":51366848463135,"sku":"BT50AK2175","price":281.4,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0050\/2484\/1799\/files\/acrow-machinery-mfg-co-ltd-adaptor-acrow-bt50-ak2-175-ak-boring-shank-o24mm-175mm-4748150218918-1207372401.png?v=1763563814"},{"product_id":"acrow-bt40-ak2-080-ak-modular-boring-shank-o24-mm-80-mm-length","title":"Acrow BT40-AK5-135 Ø50mm Modular Boring Shank","description":"\u003cp style=\"font-family: Arial; font-size: large;\"\u003e\u003cstrong\u003eAcrow BT40-AK2-080 – AK Modular Boring Shank (Ø24 mm, 80 mm Length)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-family: Arial; font-size: large;\"\u003eThe \u003cstrong\u003eAcrow BT40-AK2-080\u003c\/strong\u003e is a compact \u003cstrong\u003eAK Modular Boring Shank\u003c\/strong\u003e designed for use with AK2 boring heads. Its 80 mm gauge length provides stability and rigidity for precision boring at short depths. Made from hardened alloy steel and precision-ground, this modular shank ensures accurate alignment and consistent performance in high-speed machining applications.\u003c\/p\u003e\n\u003cp style=\"font-family: Arial; font-size: large;\"\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"font-family: Arial; font-size: large;\"\u003e\n\u003cli\u003eBrand: Acrow\u003c\/li\u003e\n\u003cli\u003eType: AK Modular Boring Shank\u003c\/li\u003e\n\u003cli\u003eModel: BT40-AK2-080\u003c\/li\u003e\n\u003cli\u003eCompatible Boring Head: AK2\u003c\/li\u003e\n\u003cli\u003eFigure No.: 1\u003c\/li\u003e\n\u003cli\u003eBody Diameter (ØD): 24 mm\u003c\/li\u003e\n\u003cli\u003eGauge Length (L): 80 mm\u003c\/li\u003e\n\u003cli\u003eMaterial: Hardened Alloy Steel\u003c\/li\u003e\n\u003cli\u003eSurface Finish: Precision Ground\u003c\/li\u003e\n\u003cli\u003eRun-out Accuracy: ≤ 0.005 mm\u003c\/li\u003e\n\u003cli\u003eApplication: Short-reach precision boring with AK2 heads on BT40 spindle systems.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACROW MACHINERY MFG CO LTD","offers":[{"title":"Default Title","offer_id":51366848528671,"sku":"BT40AK2080","price":117.6,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0050\/2484\/1799\/files\/acrow-machinery-mfg-co-ltd-adaptor-acrow-bt40-ak5-135-o50mm-modular-boring-shank-4748067935106-1207372414.png?v=1763533683"},{"product_id":"acrow-bt40-ak5-135-ak-modular-boring-shank-o50-mm-135-mm-length","title":"Acrow BT50-AK4-235 AK Boring Shank Ø39mm, 235mm","description":"\u003cp\u003e\u003cstrong\u003eAcrow BT40-AK5-135 – AK Modular Boring Shank (Ø50 mm, 135 mm Length)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eAcrow BT40-AK5-135\u003c\/strong\u003e is a medium-length \u003cstrong\u003eAK Modular Boring Shank\u003c\/strong\u003e for AK5 boring heads. Offering a 135 mm gauge length and 50 mm diameter, it provides an optimal mix of reach, balance, and strength. This precision-ground arbor ensures secure head fitment, stable operation, and consistent boring accuracy under demanding machining conditions.\u003c\/p\u003e\n\u003ch3\u003eSpecifications:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: Acrow\u003c\/li\u003e\n\u003cli\u003eType: AK Modular Boring Shank\u003c\/li\u003e\n\u003cli\u003eModel: BT40-AK5-135\u003c\/li\u003e\n\u003cli\u003eCompatible Boring Head: AK5\u003c\/li\u003e\n\u003cli\u003eFigure No.: 2\u003c\/li\u003e\n\u003cli\u003eBody Diameter (ØD): 50 mm\u003c\/li\u003e\n\u003cli\u003eFlange Diameter (ØD1): 55 mm\u003c\/li\u003e\n\u003cli\u003eGauge Length (L): 135 mm\u003c\/li\u003e\n\u003cli\u003eExtension (L1): 83 mm\u003c\/li\u003e\n\u003cli\u003eMaterial: Hardened Alloy Steel\u003c\/li\u003e\n\u003cli\u003eSurface Finish: Precision Ground\u003c\/li\u003e\n\u003cli\u003eRun-out Accuracy: ≤ 0.005 mm\u003c\/li\u003e\n\u003cli\u003eApplication: Ideal for medium-depth boring with Acrow AK5 heads on BT40 machines requiring both rigidity and extended reach.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACROW MACHINERY MFG CO LTD","offers":[{"title":"Default Title","offer_id":51366848561439,"sku":"BT40AK5135","price":295.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0050\/2484\/1799\/files\/acrow-machinery-mfg-co-ltd-adaptor-acrow-bt50-ak4-235-ak-boring-shank-o39mm-235mm-4748073305085-1207372748.png?v=1763533680"}],"url":"https:\/\/twineagleimports.com.au\/collections\/boring-head-and-accessories.oembed?page=4","provider":"Twin Eagle Imports ","version":"1.0","type":"link"}