{"product_id":"regal-cutting-tools-015144as-extension-tap-1-2-13-hss","title":"Regal Cutting Tools 015144AS Extension Tap 1\/2-13 Hss","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe REGAL CUTTING TOOLS 015144AS is a spiral point plug extension tap designed for right-hand tapping of 1\/2-13 UNC threads. Built from high-speed steel with a bright uncoated finish, it delivers consistent thread cutting performance in a wide range of metals. The H3 thread limit provides reliable fit for 3B class tolerances. At 6 inches overall length with a 1-21\/32 inch thread length, this tap reaches deeper into workpieces than standard-length taps, making it well suited for blind holes and deep-clearance applications. It carries 3 flutes and a plug chamfer for lead-in stability. Machinists, tool-and-die technicians, and maintenance professionals install this tap in manual tap handles or machine spindles.\u003c\/p\u003e\n\u003cp\u003eThis extension tap is used in production machining, maintenance and repair operations, and fabrication environments where 1\/2-13 UNC internal threads are required. The spiral point geometry pushes chips ahead of the cutting edges, making it effective in through-hole applications. Compatible material applications include alloy steel, low-carbon steel, medium-carbon steel, high-carbon steel, free-machining steel, stainless steel, precipitation-hardened stainless steel, cast iron, nickel alloy, wrought aluminum, cast aluminum, and die cast aluminum. The reduced shank allows passage through close-clearance fixtures and guides.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eSpiral point geometry pushes chips forward for clean through-hole tapping\u003c\/li\u003e\n  \u003cli\u003ePlug chamfer provides controlled lead-in on starting threads\u003c\/li\u003e\n  \u003cli\u003eH3 thread limit produces 3B class of fit for standard tolerance requirements\u003c\/li\u003e\n  \u003cli\u003eReduced shank at 0.367 inches diameter allows use in tight-clearance setups\u003c\/li\u003e\n  \u003cli\u003e6 inch overall length extends reach beyond standard tap lengths\u003c\/li\u003e\n  \u003cli\u003eHigh-speed steel construction supports use across a broad range of ferrous and non-ferrous materials\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned for cutting 1\/2-13 UNC right-hand threads to a 3B class of fit in materials including alloy steel, carbon steel grades, stainless steel, cast iron, nickel alloy, and aluminum alloys. Fits standard tap handles and machine holders sized for a 0.367 inch shank diameter with a 0.275 inch square drive.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstall and remove using a tap wrench or machine spindle rated for the shank diameter. Ensure the workpiece is securely fixtured before tapping. Apply cutting fluid appropriate for the workpiece material to extend tool life and improve thread finish. Inspect the tap for wear or chipping before each use and replace if cutting edges are damaged.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Size\u003c\/strong\u003e: 1\/2-13\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Standard\u003c\/strong\u003e: UNC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThreads per Inch\u003c\/strong\u003e: 13\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTap Type\u003c\/strong\u003e: Spiral Point\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChamfer\u003c\/strong\u003e: Plug\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNumber of Flutes\u003c\/strong\u003e: 3\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Limit\u003c\/strong\u003e: H3\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClass of Fit\u003c\/strong\u003e: 3B\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Direction\u003c\/strong\u003e: Right Hand\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 6 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Length\u003c\/strong\u003e: 1-21\/32 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 0.367 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSquare Size\u003c\/strong\u003e: 0.275 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReduced Shank\u003c\/strong\u003e: Yes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: High-Speed Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCoating\/Finish\u003c\/strong\u003e: Bright\/Uncoated\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.5 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUNSPSC Code\u003c\/strong\u003e: 23241600\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: REGAL CUTTING TOOLS\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 015144AS\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"REGAL CUTTING TOOLS","offers":[{"title":"Default Title","offer_id":67952169779506,"sku":"015144AS","price":100.04,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/194c8620e30c04dbfe7122590cc7255e_2ecd7fd0-5f6d-42da-b575-3338d9b3d396.jpg?v=1791748681","url":"https:\/\/voomisupply.com\/products\/regal-cutting-tools-015144as-extension-tap-1-2-13-hss","provider":"Voomi Supply","version":"1.0","type":"link"}