{"product_id":"osg-2905608-spiral-flute-tap-2-56-unc-ticn-vanadium-hss","title":"Osg 2905608 Spiral Flute Tap 2-56 Unc Ticn Vanadium Hss","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe OSG 2905608 is a spiral flute tap designed for cutting 2-56 UNC internal threads in a range of ferrous materials. Built from vanadium high-speed steel and finished with a titanium carbonitride (TiCN) coating, this tap delivers extended tool life in demanding tapping applications. The 45-degree helix angle evacuates chips efficiently by pulling them up and out of the hole, making it well suited for blind-hole work. A modified bottoming chamfer allows threading close to the bottom of a hole. Machinists and tool-and-die professionals use this tap in CNC machining centers, drill presses, and tapping arms where consistent thread quality in small-diameter holes is required.\u003c\/p\u003e\n\u003cp\u003eThis tap is rated for use in alloy steel, carbon steel, cast iron, stainless steel, die steel, and hardened steel. The 2B class of fit is the standard commercial tolerance for most UNC fastener applications. With an H2 thread limit, the tap produces threads within a controlled oversize range to account for material springback, particularly in tougher alloys. It is a single-unit tool appropriate for production runs and precision repair work where a 2-56 thread is specified.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e45-degree right-hand spiral flute geometry for efficient chip evacuation in blind holes\u003c\/li\u003e\n  \u003cli\u003eTiCN coating increases surface hardness and reduces friction for longer tool life\u003c\/li\u003e\n  \u003cli\u003eModified bottoming chamfer allows threading close to the bottom of a blind hole\u003c\/li\u003e\n  \u003cli\u003eVanadium high-speed steel construction handles alloy steel, stainless steel, and hardened steel\u003c\/li\u003e\n  \u003cli\u003eH2 thread limit maintains 2B class of fit with controlled oversize for material springback\u003c\/li\u003e\n  \u003cli\u003eRight-hand thread direction, compatible with standard tapping equipment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style replacement or direct-use tap for any application requiring a 2-56 UNC, 2B class of fit internal thread in ferrous materials including alloy steel, carbon steel, cast iron, stainless steel, die steel, and hardened steel.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eThis tap should be installed and operated by a qualified machinist familiar with small-diameter tapping procedures. Always secure the workpiece and use the appropriate tapping fluid or cutting oil for the material being threaded. Power down or disengage the spindle before loading or removing the tap from the holder. Avoid reversing under power without confirming the machine setup is rated for spiral flute taps to prevent tap breakage in the 2-56 diameter range.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Size\u003c\/strong\u003e: 2-56\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Standard\u003c\/strong\u003e: UNC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClass of Fit\u003c\/strong\u003e: 2B\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Limit\u003c\/strong\u003e: H2\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNumber of Flutes\u003c\/strong\u003e: 2\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\u003eChamfer\u003c\/strong\u003e: Modified Bottoming\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Direction\u003c\/strong\u003e: Right Hand\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlute Direction\u003c\/strong\u003e: Right Hand\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\u003eThreads per Inch\u003c\/strong\u003e: 56\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 2.375 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Length\u003c\/strong\u003e: 0.437 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 0.194 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSquare Length\u003c\/strong\u003e: 0.1875 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSquare Size\u003c\/strong\u003e: 0.11 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: 290\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.009 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: 2905608\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"OSG","offers":[{"title":"Default Title","offer_id":51727290433842,"sku":"2905608","price":80.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/ef979b418ad591f4d751a00211fc2c7e.jpg?v=1788675929","url":"https:\/\/voomisupply.com\/products\/osg-2905608-spiral-flute-tap-2-56-unc-ticn-vanadium-hss","provider":"Voomi Supply","version":"1.0","type":"link"}