{"product_id":"somta-series-907-1-2-bspf-carbon-steel-bottom-tap","title":"Somta Series 907 – 1\/2\" BSPF Carbon Steel Bottom Tap","description":"\u003cp\u003eThe Somta Series 907 Bottom Tap is a precision-manufactured 1\/2\" BSPF (British Standard Pipe Parallel) hand tap designed for cutting or cleaning internal parallel pipe threads close to the bottom of blind holes. Manufactured from premium Carbon Steel (Zone 5) to BS 949:1951 standards, this bottoming tap is intended for thread finishing after the taper and second taps have been used, producing full-depth threads as close as possible to the bottom of the hole.\u003c\/p\u003e\n\u003cp\u003eFeaturing a 55° Whitworth thread form, 14 TPI, straight flutes, and a right-hand cutting action, the tap offers excellent alignment and chip control when hand tapping mild steel, brass, aluminium, cast iron, and other general engineering materials. It is ideal for maintenance workshops, plumbing applications, repair work, and general engineering where accurate BSP parallel threads are required.\u003c\/p\u003e\n\u003cp\u003eKey Features \u0026amp; Benefits\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSomta Series 907 Carbon Steel Bottom Tap\u003c\/li\u003e\n\u003cli\u003ePart Number: 9071273\u003c\/li\u003e\n\u003cli\u003e1\/2\" BSPF (British Standard Pipe Parallel)\u003c\/li\u003e\n\u003cli\u003eBottoming tap for finishing blind-hole threads\u003c\/li\u003e\n\u003cli\u003eManufactured from premium Carbon Steel (Zone 5)\u003c\/li\u003e\n\u003cli\u003eBS 949:1951 specification\u003c\/li\u003e\n\u003cli\u003e55° Whitworth thread profile\u003c\/li\u003e\n\u003cli\u003e14 TPI thread pitch\u003c\/li\u003e\n\u003cli\u003eStraight flute design for hand tapping\u003c\/li\u003e\n\u003cli\u003eRight-hand cutting direction\u003c\/li\u003e\n\u003cli\u003eSuitable for thread cleaning and finishing operations\u003c\/li\u003e\n\u003cli\u003eRecommended for use after taper and second taps\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTechnical Specifications\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: Somta\u003c\/li\u003e\n\u003cli\u003eSeries: 907\u003c\/li\u003e\n\u003cli\u003ePart Number: 9071273\u003c\/li\u003e\n\u003cli\u003eThread Size: 1\/2\" BSPF\u003c\/li\u003e\n\u003cli\u003eNominal Diameter: 20.955mm\u003c\/li\u003e\n\u003cli\u003eThread Form: BSP Parallel (BSPF)\u003c\/li\u003e\n\u003cli\u003eThread Angle: 55° Whitworth\u003c\/li\u003e\n\u003cli\u003eTPI: 14\u003c\/li\u003e\n\u003cli\u003eTap Type: Bottom Tap\u003c\/li\u003e\n\u003cli\u003eOverall Length (l₁): 79.4mm\u003c\/li\u003e\n\u003cli\u003eThread Length (l₂): 34.9mm\u003c\/li\u003e\n\u003cli\u003eShank Diameter (d₁): 17.4mm\u003c\/li\u003e\n\u003cli\u003eSquare Size (a): 13.1mm\u003c\/li\u003e\n\u003cli\u003eMaterial: Carbon Steel (Zone 5)\u003c\/li\u003e\n\u003cli\u003eFlute Style: Straight Flute\u003c\/li\u003e\n\u003cli\u003eCutting Direction: Right Hand\u003c\/li\u003e\n\u003cli\u003eStandard: BS 949:1951\u003c\/li\u003e\n\u003cli\u003eApplication: Finishing BSP parallel threads in blind holes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe Somta 9071273 1\/2\" BSPF Bottom Tap is the final tap in the three-piece hand tap sequence, producing full-depth, accurate BSP parallel threads at the bottom of blind holes for professional maintenance, plumbing, and engineering applications.\u003c\/p\u003e","brand":"SOMTA","offers":[{"title":"Default Title","offer_id":52645272158495,"sku":"9071273","price":40.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0050\/2484\/1799\/files\/somta-taps-somta-series-907-1-2-bspf-carbon-steel-bottom-tap-7448727579981-1246344137.jpg?v=1782711091","url":"https:\/\/twineagleimports.com.au\/products\/somta-series-907-1-2-bspf-carbon-steel-bottom-tap","provider":"Twin Eagle Imports ","version":"1.0","type":"link"}