{"product_id":"osg-1625078148-thread-forming-tap-7-8-14-unf-cobalt-ticn","title":"Osg 1625078148 Thread Forming Tap 7\/8-14 Unf Cobalt Ticn","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe OSG 1625078148 is a thread forming tap designed to produce 7\/8-14 UNF internal threads without cutting, displacing material instead of removing chips. Part of the EXOPRO XPF Series 16250, it carries a 3B class of fit and H8 thread limit, making it suitable for precision threaded connections in demanding industrial applications. The modified bottoming chamfer with 2.5 to 3 chamfered threads allows threading close to the bottom of blind holes. Constructed from cobalt high-speed steel and finished with a TiCN coating, it is built for extended tool life in hard and abrasive materials. Licensed machinists and tooling specialists are the primary users of this tap.\u003c\/p\u003e\n\u003cp\u003eThis tap is rated for use in aluminum, cast aluminum, carbon steel, alloy steel, die steel, hardened steel, stainless steel, high-nickel alloy, and titanium. It handles both blind hole threading and through-hole threading applications. The right-hand thread direction and modified bottoming geometry make it well suited to production environments where tight thread tolerances and repeatable results are required in short-depth or restricted-access holes.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e7\/8-14 UNF thread form with 3B class of fit and H8 thread limit for precision fit requirements\u003c\/li\u003e\n  \u003cli\u003eModified bottoming chamfer (2.5 to 3 chamfered threads) for threading close to hole bottoms\u003c\/li\u003e\n  \u003cli\u003eCobalt HSS construction provides heat and wear resistance in tough materials\u003c\/li\u003e\n  \u003cli\u003eTiCN coating reduces friction and extends tool life across a wide material range\u003c\/li\u003e\n  \u003cli\u003eThread forming design eliminates chips, reducing tap breakage risk in blind holes\u003c\/li\u003e\n  \u003cli\u003eCompatible with both blind hole and through-hole threading operations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned for use in aluminum, cast aluminum, hardened steel, carbon steel, alloy steel, die steel, stainless steel, high-nickel alloy, and titanium workpieces. Suitable for blind hole and through-hole threading applications requiring a 7\/8-14 UNF thread form.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eThread forming taps require adequate lubrication and correct spindle speed for the workpiece material — consult material-specific tapping charts before use. Ensure the pilot hole diameter meets the recommended forming tap drill size for 7\/8-14 UNF to avoid excessive torque or tap failure. Power down and secure the workpiece before setup. This tap does not have coolant-through capability, so external cutting fluid application is required.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Size\u003c\/strong\u003e: 7\/8-14 UNF\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Standard\u003c\/strong\u003e: UNF\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClass of Fit\u003c\/strong\u003e: 3B\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Limit\u003c\/strong\u003e: H8\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChamfer\u003c\/strong\u003e: Modified Bottoming\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChamfered Threads\u003c\/strong\u003e: 2.5 to 3 threads\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThreads per Inch\u003c\/strong\u003e: 14\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: 4.9213 inches (125 mm)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Length\u003c\/strong\u003e: 1.1100 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTapping Depth\u003c\/strong\u003e: 2.6380 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 0.6970 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSquare Size\u003c\/strong\u003e: 0.5230 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSquare Length\u003c\/strong\u003e: 0.7500 inches\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: TiCN\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCoolant Through\u003c\/strong\u003e: No\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial Application\u003c\/strong\u003e: Aluminum; Cast Aluminum; Hardened Steel; Carbon Steel; Alloy Steel; Die Steel; Stainless Steel; High-Nickel Alloy; Titanium\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: 16250 (EXOPRO XPF)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.57 pounds\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: OSG\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 1625078148\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"OSG","offers":[{"title":"Default Title","offer_id":51753397813554,"sku":"1625078148","price":513.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/97a1414e31a570fbb064964d71eb3551_82cda7f3-dd43-4cb1-a074-56d4b12cd3e3.jpg?v=1788936267","url":"https:\/\/voomisupply.com\/products\/osg-1625078148-thread-forming-tap-7-8-14-unf-cobalt-ticn","provider":"Voomi Supply","version":"1.0","type":"link"}