{"product_id":"osg-2932408-spiral-flute-tap-1-2-13-unc-ticn-vanadium-hss","title":"Osg 2932408 Spiral Flute Tap 1\/2-13 Unc Ticn Vanadium Hss","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe OSG 2932408 is a spiral flute tap designed for threading 1\/2-13 UNC internal threads in a wide range of metals. Built from vanadium high-speed steel and coated with titanium carbonitride (TiCN), it delivers extended tool life in demanding production environments. The 45-degree right-hand helix angle evacuates chips upward out of the hole, making it particularly effective in blind-hole applications. The modified bottoming chamfer allows threading closer to the bottom of a blind bore than a standard plug tap. This tap is sized to produce 3B class-of-fit threads and is ground to an H3 thread limit for consistent dimensional accuracy. Machinists and tool-and-die professionals use this tap in CNC machining centers, lathes, and drill presses.\u003c\/p\u003e\n\u003cp\u003eThe OSG 2932408 Series 290 tap is suited for threading alloy steel, carbon steel, cast iron, stainless steel, die steel, and hardened steel. It is appropriate for production-volume tapping operations where chip control and thread quality are critical. The modified bottoming chamfer makes it a go-to choice when full thread depth near a blind-hole floor is required. It does not support coolant-through delivery, so flood or mist coolant should be directed externally at the cutting zone when tapping harder alloys.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eVanadium high-speed steel construction for improved wear resistance over standard HSS\u003c\/li\u003e\n  \u003cli\u003eTiCN coating reduces friction and extends tool life in ferrous and hardened materials\u003c\/li\u003e\n  \u003cli\u003e45-degree right-hand spiral flute promotes upward chip evacuation in blind holes\u003c\/li\u003e\n  \u003cli\u003eModified bottoming chamfer allows threading close to the bottom of a blind bore\u003c\/li\u003e\n  \u003cli\u003eH3 thread limit ground for 3B class-of-fit dimensional accuracy\u003c\/li\u003e\n  \u003cli\u003eRight-hand thread direction compatible with standard CNC and manual tapping setups\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned for cutting 1\/2-13 UNC internal threads to a 3B class of fit in alloy steel, carbon steel, cast iron, stainless steel, die steel, and hardened steel workpieces.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation should be performed by a qualified machinist following standard tapping procedures. Secure the workpiece and verify the tap holder is properly aligned before engagement to prevent tap breakage. Power down or de-energize the machine spindle before loading or removing the tap from the holder. Because this tap does not use coolant-through delivery, apply adequate external flood or mist coolant to reduce heat buildup, especially when tapping stainless or hardened steel.\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 UNC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Standard\u003c\/strong\u003e: UNC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNumber of Flutes\u003c\/strong\u003e: 3\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlute Style\u003c\/strong\u003e: Spiral\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHelix Angle\u003c\/strong\u003e: 45 degrees\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\u003eChamfer\u003c\/strong\u003e: Modified Bottoming\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: H3\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThreads per Inch\u003c\/strong\u003e: 13\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Vanadium High-Speed Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCoating\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\u003eOverall Length\u003c\/strong\u003e: 3.375 inches (3-3\/8 inches nominal); 4.688 inches decimal\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Length\u003c\/strong\u003e: 0.614 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 0.697 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNeck Length\u003c\/strong\u003e: 2.654 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSquare Length\u003c\/strong\u003e: 0.4375 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\u003eSeries\u003c\/strong\u003e: 290\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.099 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: 2932408\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"OSG","offers":[{"title":"Default Title","offer_id":51742874468658,"sku":"2932408","price":114.03,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/03847670444eb8ea1004f139e1fc5194.jpg?v=1788840102","url":"https:\/\/voomisupply.com\/products\/osg-2932408-spiral-flute-tap-1-2-13-unc-ticn-vanadium-hss","provider":"Voomi Supply","version":"1.0","type":"link"}