{"product_id":"somta-series-541-hss-bottom-tap-unc-5-8-x-11-tpi","title":"Somta Series 541 - HSS Straight Flute Short Hand Bottom (Finishing) Tap UNC 5\/8\" x 11 TPI","description":"\u003ch1\u003eHSS Bottom Tap UNC 5\/8″ x 11 – Somta Series 541\u003c\/h1\u003e\n\u003cp\u003eThe \u003cstrong\u003eSOMTA 5411593 – 5\/8″ x 11 UNC HSS Bottom Tap\u003c\/strong\u003e is a high-precision tool designed for creating full-depth threads in blind holes. Manufactured from high-speed steel (HSS), this bottoming tap features a short chamfer (1–2 threads) that allows threading close to the base of the hole. It conforms to Unified National Coarse (UNC) standards, making it ideal for heavy-duty tapping in steel, cast iron, aluminum, and general-purpose metals.\u003c\/p\u003e\n\u003ch4\u003eKey Features Benefits\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBottoming Chamfer\u003c\/strong\u003e – 1–2 lead threads for threading to the bottom of blind holes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUNC Thread Form\u003c\/strong\u003e – Standard 5\/8″ diameter with 11 threads per inch for coarse-thread applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStraight Flute Geometry\u003c\/strong\u003e – Provides efficient chip evacuation and steady cutting action.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Speed Steel (HSS)\u003c\/strong\u003e – Offers excellent wear resistance and heat tolerance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBright Finish\u003c\/strong\u003e – Reduces friction and enhances surface finish of threads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManual or Machine Use\u003c\/strong\u003e – Compatible with hand tap wrenches or powered tapping systems.\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 5411593\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Size:\u003c\/strong\u003e 5\/8″ x 11 TPI\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Standard:\u003c\/strong\u003e UNC – Unified National Coarse\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTap Type:\u003c\/strong\u003e Bottoming (short chamfer for blind holes)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlute Style:\u003c\/strong\u003e Straight flute\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Direction:\u003c\/strong\u003e Right-hand\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial Finish:\u003c\/strong\u003e High-Speed Steel (HSS), Bright\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard:\u003c\/strong\u003e ANSI \/ Unified Inch\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eWhy Choose the SOMTA 5411593 UNC Bottom Tap?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized for Blind Holes\u003c\/strong\u003e – Ensures full thread engagement close to the base of the hole.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable HSS Construction\u003c\/strong\u003e – Maintains performance in tough materials and repeated use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccurate Coarse Threading\u003c\/strong\u003e – Complies with UNC standards for secure, load-bearing threads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile Industrial Use\u003c\/strong\u003e – Ideal for mechanical, structural, and repair applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe \u003cstrong\u003eSOMTA 5411593\u003c\/strong\u003e bottom tap delivers clean, consistent 5\/8″ UNC threads in demanding blind-hole applications. \u003ca href=\"https:\/\/twineagleimports.com.au\/products\/somta-series-541-hss-bottom-tap-unc-3-8-x-16-tpi\"\u003eBuilt with quality HSS\u003c\/a\u003e and a short chamfer, it’s a reliable choice for professionals in machining, assembly, and maintenance environments.\u003c\/p\u003e","brand":"SOMTA","offers":[{"title":"Default Title","offer_id":51245966589988,"sku":"5411593","price":75.98,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0803\/5598\/3396\/files\/somta-taps-dies-somta-series-541-hss-straight-flute-short-hand-taper-first-tap-unc-2-x-4-5-tpi-7459068464034-1198286375_ec9d0aae-1d9f-4e56-9f19-5e4129075cb3.png?v=1786428695","url":"https:\/\/www.layerspecdynamics.com\/de\/products\/somta-series-541-hss-bottom-tap-unc-5-8-x-11-tpi","provider":"LayerSpec Dynamics","version":"1.0","type":"link"}