{"product_id":"hertel-72402977-taper-pin-reamer-size-4-0-hss","title":"Hertel 72402977 Taper Pin Reamer Size 4\/0 Hss","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe HERTEL 72402977 is a taper pin reamer designed to finish and size tapered holes for standard taper pin installations. Made from high-speed steel with a bright, uncoated finish, this reamer accepts a 4\/0 taper pin size and features a small end diameter of 0.0869 inches and a large end diameter of 0.1142 inches. The three helical flutes with right-hand cut geometry provide smooth material removal and good chip evacuation. With an overall length of 2.3125 inches and a straight shank diameter of 0.125 inches, it fits standard drill chucks and collet holders. This is a general-purpose tool suited for precision hole finishing in metalworking applications.\u003c\/p\u003e\n\u003cp\u003eThis taper pin reamer is used in machine shops, maintenance facilities, and manufacturing environments where taper pin connections must be accurately fitted. Typical applications include enlarging and finishing tapered holes in shafts, hubs, and mechanical assemblies that use standard taper pins for alignment or fastening. The 1:48 taper rate conforms to standard taper pin specifications. Machinists and maintenance mechanics working with manual or CNC-equipped mills, lathes, and drill presses are the primary installers of this tool.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh-speed steel construction for general-purpose hole finishing in ferrous and non-ferrous materials\u003c\/li\u003e\n  \u003cli\u003e4\/0 taper pin size with a 1:48 taper rate conforming to standard taper pin geometry\u003c\/li\u003e\n  \u003cli\u003eThree helical flutes for smooth cutting action and efficient chip evacuation\u003c\/li\u003e\n  \u003cli\u003eRight-hand cut with left-hand spiral flute geometry\u003c\/li\u003e\n  \u003cli\u003eBright, uncoated finish — ready to use out of the package\u003c\/li\u003e\n  \u003cli\u003eStraight shank at 0.125 inches diameter fits standard chucks and collet systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned for use with standard 4\/0 taper pins following a 1:48 taper rate. Fits drill chucks and collet holders accepting a 0.125 inch straight shank. Suitable for general-purpose hole enlarging, hole finishing, and hole shaping operations.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eThis tool is installed and operated by machinists and maintenance mechanics using drill presses, milling machines, or lathes. Secure the straight shank firmly in a compatible chuck or collet before use, and ensure the workpiece is clamped to prevent movement during reaming. Use appropriate cutting fluid for the workpiece material to extend tool life and improve finish quality. Never force the reamer through an undersized hole in a single pass — take incremental cuts to achieve the final taper pin fit.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTaper Pin Size\u003c\/strong\u003e: 4\/0\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSmall End Diameter\u003c\/strong\u003e: 0.0869 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLarge End Diameter\u003c\/strong\u003e: 0.1142 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTaper Rate\u003c\/strong\u003e: 1:48\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNumber of Flutes\u003c\/strong\u003e: 3\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlute Type\u003c\/strong\u003e: Helical\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCutting Direction\u003c\/strong\u003e: Right Hand\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSpiral Direction\u003c\/strong\u003e: Left Hand\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlute Length\u003c\/strong\u003e: 1.3125 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 2.3125 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 0.125 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Type\u003c\/strong\u003e: Straight\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTool Material\u003c\/strong\u003e: High-Speed Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCoating\/Finish\u003c\/strong\u003e: Bright\/Uncoated\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.15 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: HERTEL\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 72402977\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HERTEL","offers":[{"title":"Default Title","offer_id":51728494854450,"sku":"72402977","price":89.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/b4905ee15667011d31e8309b1c83e510.jpg?v=1788692131","url":"https:\/\/voomisupply.com\/products\/hertel-72402977-taper-pin-reamer-size-4-0-hss","provider":"Voomi Supply","version":"1.0","type":"link"}