{"product_id":"osg-1400130508-thread-forming-tap-5-16-18-unc-cobalt-ticn","title":"Osg 1400130508 Thread Forming Tap 5\/16-18 Unc Cobalt Ticn","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe OSG 1400130508 is a thread forming tap designed for cold-forming internal threads without cutting, producing stronger threads by displacing material rather than removing it. Built from cobalt high-speed steel and coated with titanium carbonitride (TiCN), this tap handles demanding applications in alloy steel, carbon steel, stainless steel, hardened steel, die steel, and aluminum. It carries a modified bottoming chamfer with 2 to 2.5 chamfered threads, allowing it to form threads close to the bottom of a blind hole. The H3 thread limit ensures dimensional consistency across production runs. With an overall length of 2.719 inches and a shank diameter of 0.318 inches, this tap fits standard tap holders used by machinists and tool-and-die professionals.\u003c\/p\u003e\u003cp\u003eThis tap is suited for blind hole threading operations in both production and job-shop environments. The 5\/16-18 UNC thread form is a common fastener size across structural, mechanical, and industrial assemblies. Its right-hand thread direction matches standard machine tapping setups. The TiCN coating reduces friction and extends tool life when running in abrasive or work-hardening materials such as stainless steel and hardened steel. It is part of the OSG HY-PRO NRT series, which is engineered for roll-form tapping in ferrous and non-ferrous metals.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eModified bottoming chamfer with 2 to 2.5 chamfered threads for near-bottom thread forming in blind holes\u003c\/li\u003e\n\u003cli\u003eCobalt high-speed steel construction for increased heat and wear resistance\u003c\/li\u003e\n\u003cli\u003eTiCN coating reduces friction and improves tool life in abrasive materials\u003c\/li\u003e\n\u003cli\u003eH3 thread limit for consistent tolerance control in production tapping\u003c\/li\u003e\n\u003cli\u003eRight-hand, 5\/16-18 UNC thread form covers a broad range of standard fastener applications\u003c\/li\u003e\n\u003cli\u003eCompatible material applications include alloy steel, aluminum, carbon steel, die steel, hardened steel, and stainless steel\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned for blind hole threading in alloy steel, aluminum, carbon steel, die steel, hardened steel, and stainless steel workpieces requiring a 5\/16-18 UNC internal thread. Part of the OSG HY-PRO NRT series, Series 14001.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eThis tap is installed by machinists using standard tap holders or CNC tapping attachments sized for a 0.318-inch shank diameter. Ensure the spindle and workpiece are properly secured before tapping. Use a cutting fluid or tapping compound appropriate for the workpiece material to reduce heat buildup and extend tool life. Confirm hole diameter and depth meet the thread forming requirements for 5\/16-18 UNC before starting the operation.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Size\u003c\/strong\u003e: 5\/16-18\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Standard\u003c\/strong\u003e: UNC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Direction\u003c\/strong\u003e: Right Hand\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThreads per Inch\u003c\/strong\u003e: 18\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 to 2.5P\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Limit\u003c\/strong\u003e: H3\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\u003c\/strong\u003e: TiCN (Titanium Carbonitride)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication\u003c\/strong\u003e: Blind Hole Threading\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial Application\u003c\/strong\u003e: Alloy Steel, Aluminum, Carbon Steel, Die Steel, Hardened Steel, Stainless Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 2.719 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Length\u003c\/strong\u003e: 0.6654 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTapping Depth\u003c\/strong\u003e: 1.126 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 0.318 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSquare Size\u003c\/strong\u003e: 0.238 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSquare Length\u003c\/strong\u003e: 0.375 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoolant Through\u003c\/strong\u003e: No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: HY-PRO NRT, Series 14001\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.055 pounds\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\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: 1400130508\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"OSG","offers":[{"title":"Default Title","offer_id":51728414572850,"sku":"1400130508","price":43.06,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/602501ff5caf728b2cc03dbb1973b9e6.jpg?v=1788690953","url":"https:\/\/voomisupply.com\/products\/osg-1400130508-thread-forming-tap-5-16-18-unc-cobalt-ticn","provider":"Voomi Supply","version":"1.0","type":"link"}