{"product_id":"value-collection-557u-9-taper-pin-reamer-size-9-hss","title":"Value Collection 557u 9 Taper Pin Reamer Size 9 Hss","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe VALUE COLLECTION 557u 9 is a taper pin reamer designed for enlarging, finishing, and shaping tapered holes to accept standard taper pins. Built from high-speed steel with a bright, uncoated finish, this reamer delivers reliable cutting performance in general-purpose machining applications. The spiral flute geometry with left-hand spiral and right-hand cut provides smooth chip evacuation and consistent bore finish. The small end diameter measures 0.4805 inches and the large end measures 0.6066 inches, giving a taper rate of 1:48. Overall length is 8.3125 inches with a flute length of 6.0625 inches. The square shank measures 0.5625 inches in diameter for secure toolholder engagement.\u003c\/p\u003e\u003cp\u003eThis reamer is suited for machine shops, maintenance facilities, and production environments where taper pin holes must be precisely sized or refinished. Typical applications include fitting taper pins in mechanical assemblies, reaming worn or oversized holes back to specification, and preparing bores in shafts, collars, and hubs. It is a general-purpose tool appropriate for use in drill presses, milling machines, or hand-held setups where controlled feed rates can be maintained.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eHigh-speed steel construction for durability across a range of workpiece materials\u003c\/li\u003e\n\u003cli\u003eSpiral flute geometry with left-hand spiral promotes smooth chip flow and reduced chatter\u003c\/li\u003e\n\u003cli\u003eRight-hand cutting direction compatible with standard machine spindle rotation\u003c\/li\u003e\n\u003cli\u003eTaper rate of 1:48 matches standard taper pin specifications\u003c\/li\u003e\n\u003cli\u003eBright, uncoated finish suitable for general-purpose hole finishing operations\u003c\/li\u003e\n\u003cli\u003eSquare shank provides positive drive and prevents slipping in toolholders\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as a standard replacement or new-installation taper pin reamer for size 9 taper pin applications in general-purpose machining and mechanical assembly operations.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eTaper pin reamers are typically used by machinists and maintenance technicians. Secure the workpiece firmly before reaming and apply cutting fluid appropriate for the workpiece material to extend tool life and improve finish quality. Use a controlled, consistent feed rate to avoid tool deflection or bell-mouthing the bore. Always clear chips frequently when reaming deep holes.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTaper Pin Size\u003c\/strong\u003e: 9\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmall End Diameter\u003c\/strong\u003e: 0.4805 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge End Diameter\u003c\/strong\u003e: 0.6066 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTaper Rate\u003c\/strong\u003e: 1:48\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlute Length\u003c\/strong\u003e: 6.0625 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 8.3125 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 0.5625 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Type\u003c\/strong\u003e: Square\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlute Type\u003c\/strong\u003e: Spiral\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpiral Direction\u003c\/strong\u003e: Left Hand\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Direction\u003c\/strong\u003e: Right Hand\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\u003eTool Application\u003c\/strong\u003e: Hole Enlarging, Hole Finishing, Hole Shaping\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: 557U\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: VALUE COLLECTION\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 557u 9\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"VALUE COLLECTION","offers":[{"title":"Default Title","offer_id":51699943309618,"sku":"557u 9","price":247.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/2b20132244ef2c1fff9e6f6565519a0d.jpg?v=1788383826","url":"https:\/\/voomisupply.com\/products\/value-collection-557u-9-taper-pin-reamer-size-9-hss","provider":"Voomi Supply","version":"1.0","type":"link"}