{"product_id":"guhring-9048813095250-spiral-flute-tap-3-8-16-unc","title":"Guhring 9048813095250 Spiral Flute Tap 3\/8-16 Unc","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe GUHRING 9048813095250 is a spiral flute tap designed for threading blind holes in a wide range of ferrous and non-ferrous materials. It cuts a 3\/8-16 UNC thread to a 2B\/3B class of fit using a 3-flute, right-hand spiral design with a 40-degree helix angle. The modified bottoming chamfer allows the tap to reach close to the bottom of a blind hole while still providing controlled chip evacuation. Constructed from cobalt high-speed steel and finished with GUHRING's Ignator coating, this tap is suited for production tapping in materials ranging from aluminum alloy to stainless and heat-treated steel. Machinists and tool-and-die professionals use this tap in CNC machining centers and manual tapping operations alike.\u003c\/p\u003e\n\u003cp\u003eThis tap is intended for blind hole threading applications across a broad material spectrum including alloy steel, alloy tool steel, aluminum alloy, case-hardened steel, cast iron, ductile iron, free-cutting steel, heat-treated steel, malleable cast iron, stainless steel, structural steel, and tool steel. Its fast flute style and 40-degree helix promote chip pullback out of the hole, reducing tap breakage risk in interrupted or deep blind hole cuts. It is well suited to both job shop and production environments where 3\/8-16 UNC internal threads are required.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e3\/8-16 UNC thread form, right-hand thread and right-hand flute\u003c\/li\u003e\n  \u003cli\u003eModified bottoming chamfer for threading close to the bottom of blind holes\u003c\/li\u003e\n  \u003cli\u003e40-degree helix angle with fast flute style for effective chip evacuation\u003c\/li\u003e\n  \u003cli\u003eCobalt HSS construction with Ignator coating for extended tool life in hard and abrasive materials\u003c\/li\u003e\n  \u003cli\u003eH3 thread limit, 2B\/3B class of fit for standard tolerance threading\u003c\/li\u003e\n  \u003cli\u003e3-flute design balances chip removal and thread form stability\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned for blind hole tapping of 3\/8-16 UNC threads in alloy steel, aluminum alloy, stainless steel, cast iron, tool steel, and related ferrous and non-ferrous materials as specified in GUHRING Series 4881.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eThis tap is installed and operated by machinists using CNC machining centers, drill presses, or manual tapping equipment. Ensure the workpiece is securely fixtured and the spindle is properly aligned before tapping to prevent tap breakage. Use a cutting fluid or tapping compound appropriate for the workpiece material. Follow all machine guarding and lockout\/tagout procedures before tool changes or setup adjustments.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Size\u003c\/strong\u003e: 3\/8-16\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: 16\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClass of Fit\u003c\/strong\u003e: 2B\/3B\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Limit\u003c\/strong\u003e: H3\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNumber of Flutes\u003c\/strong\u003e: 3\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlute Direction\u003c\/strong\u003e: Right Hand\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Direction\u003c\/strong\u003e: Right Hand\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHelix Angle\u003c\/strong\u003e: 40 degrees\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChamfer\u003c\/strong\u003e: Modified Bottoming\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlute Style\u003c\/strong\u003e: Fast\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication\u003c\/strong\u003e: Blind Hole Threading\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Cobalt High-Speed Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCoating\/Finish\u003c\/strong\u003e: Ignator\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCoolant Through\u003c\/strong\u003e: No\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 2.941 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Length\u003c\/strong\u003e: 0.629 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTapping Depth\u003c\/strong\u003e: 1.456 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNeck Length\u003c\/strong\u003e: 0.827 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 0.381 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSquare Size\u003c\/strong\u003e: 0.286 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Pitch\u003c\/strong\u003e: 0.0625 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.07 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: 4881\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: GUHRING\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 9048813095250\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GUHRING","offers":[{"title":"Default Title","offer_id":51738683146546,"sku":"9048813095250","price":42.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/ed18124a2fea51be3bbdf374250e0745_ad7852b7-16f3-4a3f-971d-67eacefcfeb3.jpg?v=1788802774","url":"https:\/\/voomisupply.com\/products\/guhring-9048813095250-spiral-flute-tap-3-8-16-unc","provider":"Voomi Supply","version":"1.0","type":"link"}