{"product_id":"cleveland-c55317-spiral-point-tap-1-4-20-unc-tin-hss","title":"Cleveland C55317 Spiral Point Tap 1\/4-20 Unc Tin Hss","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe CLEVELAND C55317 is a spiral point tap designed for through-hole threading in metal workpieces. Built from high speed steel with a titanium nitride (TiN) coating, this 1\/4-20 UNC plug tap delivers reliable thread cutting performance in production and maintenance environments. The spiral point geometry pushes chips forward ahead of the cutting action, keeping the flutes clear and reducing the risk of chip-related tap breakage. With a 2-flute design and H5 thread limit, it is suited for close-tolerance threading applications requiring a Class 2B fit. Machinists, tool-and-die techs, and maintenance professionals install this tap in drill presses, CNC machining centers, and hand-tapping setups.\u003c\/p\u003e\n\u003cp\u003eThe C55317 is intended for through-hole threading in alloy steel, carbon steel, and aluminum. The plug chamfer — typically 3 to 5 threads — provides a gradual lead-in that eases entry into the workpiece and distributes cutting load across multiple teeth. It is well suited for general-purpose production tapping where through-holes are the standard condition. The H5 thread limit accommodates standard 2B class fits commonly specified in general engineering and structural fastener applications.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eSpiral point geometry pushes chips forward for clean through-hole threading\u003c\/li\u003e\n  \u003cli\u003eHigh speed steel construction provides toughness and wear resistance\u003c\/li\u003e\n  \u003cli\u003eTiN coating reduces friction and extends tool life in steel and aluminum\u003c\/li\u003e\n  \u003cli\u003ePlug chamfer for standard lead-in in through-hole applications\u003c\/li\u003e\n  \u003cli\u003eH5 thread limit for Class 2B fit tolerance\u003c\/li\u003e\n  \u003cli\u003eRight-hand thread cutting direction\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned for through-hole threading in alloy steel, aluminum, and carbon steel. Compatible with 1\/4-20 UNC thread specifications requiring a Class 2B fit.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eThis tap should be installed by a qualified machinist or maintenance technician familiar with threading operations. Always secure the workpiece and ensure the tap is properly aligned with the drilled hole before applying cutting force. Use an appropriate cutting fluid for the workpiece material to reduce heat and extend tool life. Follow shop safety procedures and inspect the tap for wear or chipping before each use.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Size\u003c\/strong\u003e: 1\/4-20\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: 20\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNumber of Flutes\u003c\/strong\u003e: 2\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChamfer\u003c\/strong\u003e: Plug\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: H5\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Direction\u003c\/strong\u003e: Right Hand\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication\u003c\/strong\u003e: Through-Hole Threading\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial Application\u003c\/strong\u003e: Alloy Steel, Aluminum, Carbon Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: High Speed Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCoating\/Finish\u003c\/strong\u003e: TiN (Titanium Nitride)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 2.5 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Length\u003c\/strong\u003e: 0.625 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNeck Length\u003c\/strong\u003e: 0.39 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 0.255 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: 1011TN\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.6 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: CLEVELAND\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: C55317\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"CLEVELAND CONTROLS","offers":[{"title":"Default Title","offer_id":51698252906802,"sku":"C55317","price":31.42,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/e12a1a5a66e03171fb3af8241fc99eaa.jpg?v=1788360127","url":"https:\/\/voomisupply.com\/products\/cleveland-c55317-spiral-point-tap-1-4-20-unc-tin-hss","provider":"Voomi Supply","version":"1.0","type":"link"}