{"product_id":"5510642","title":"Somta Series 551 - HSS Short Hand Tap 1\/4\" UNF Second (Intermediate)","description":"\u003ch4\u003eHSS Second (Intermediate) Short Hand Tap 1\/4\" UNF\u003c\/h4\u003e\n\u003cp\u003eThe SOMTA 5510642 - 1\/4\" HSS Second (Intermediate) Short Hand Tap is a precision tool designed for general-purpose hand tapping in both workshop and maintenance environments. Compliant with ISO 529 standards and manufactured from high-speed steel (HSS), this tap produces Unified Fine (UNF) threads with a 60° flank angle and ISO 2 \/ 2B tolerance. The straight flute design supports reliable chip removal, and the right-hand cutting action ensures compatibility with standard tapping procedures. As the second tap in a 3-piece sequence, it is intended for continued thread forming after the taper stage. This listing is for one individual second (intermediate) tap only.\u003c\/p\u003e\n\u003ch4\u003eKey Features \u0026amp; Benefits\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUNF Thread Form\u003c\/strong\u003e – Unified Fine Thread standard for accurate, high-precision threading.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecond Tap (Intermediate)\u003c\/strong\u003e – Used after the taper tap to refine thread depth and shape.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Speed Steel (HSS)\u003c\/strong\u003e – Delivers excellent wear resistance and long-lasting cutting performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStraight Flute Design\u003c\/strong\u003e – Promotes effective chip clearance during hand operations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e60° Flank Angle\u003c\/strong\u003e – Ensures consistent and industry-compliant thread profiles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eISO 2 \/ 2B Tolerance\u003c\/strong\u003e – Suitable for general internal thread applications and standard fitment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRight-Hand Cutting\u003c\/strong\u003e – Designed for use with clockwise-operated tap wrenches.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible with Blind \u0026amp; Through Holes\u003c\/strong\u003e – Offers flexibility in varied tapping scenarios.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManual Tapping\u003c\/strong\u003e – Engineered specifically for hand use across professional tasks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart No:\u003c\/strong\u003e 5510642\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTap Size:\u003c\/strong\u003e 1\/4\" UNF\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThreads Per Inch (TPI):\u003c\/strong\u003e 28\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length (l1):\u003c\/strong\u003e 66 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Length (l2):\u003c\/strong\u003e 19 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Diameter (d1):\u003c\/strong\u003e 6.3 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSquare Size (a):\u003c\/strong\u003e 5.0 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Flutes:\u003c\/strong\u003e 3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Angle:\u003c\/strong\u003e 60°, UNF Form\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e High-Speed Steel (HSS)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlute Type:\u003c\/strong\u003e Straight Flute\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard:\u003c\/strong\u003e ISO 529\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTolerance:\u003c\/strong\u003e ISO 2 \/ 2B\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Direction:\u003c\/strong\u003e Right-Hand\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e General-Purpose Hand Tapping\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eWhy Choose the SOMTA 5510642 Second Tap?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReliable Intermediate Threading\u003c\/strong\u003e – Designed to ensure smooth thread progression between taper and bottom taps.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt from Durable HSS\u003c\/strong\u003e – Delivers longevity and consistent performance over repeated use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile Manual Tapping\u003c\/strong\u003e – Works effectively across both blind and through-hole applications.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SOMTA","offers":[{"title":"Default Title","offer_id":51251826589732,"sku":"5510642","price":17.63,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0803\/5598\/3396\/files\/somta-taps-dies-somta-series-551-hss-short-hand-tap-1-4-unf-second-intermediate-7459070309521-1198289481.jpg?v=1786525450","url":"https:\/\/www.layerspecdynamics.com\/products\/5510642","provider":"LayerSpec Dynamics","version":"1.0","type":"link"}