{"product_id":"value-collection-231-4746-r8-collet-23-32-inch-steel","title":"Value Collection 231-4746 R8 Collet 23\/32 Inch Steel","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe VALUE COLLECTION 231-4746 is a 23\/32-inch R8 collet machined from steel for use in milling machines equipped with an R8 spindle taper. It accepts a 7\/16-20 drawbar thread and holds a maximum runout of 0.0007 inches TIR, making it suitable for precision work where consistent tool concentricity is critical. This collet is a standard consumable in machine shop environments, used by machinists and toolroom technicians to secure end mills, drill bits, and other straight-shank tooling in Bridgeport-style and compatible knee mills.\u003c\/p\u003e\n\u003cp\u003eThis collet is designed for use in vertical knee mills and similar manual milling machines that use the R8 spindle taper system. The 23\/32-inch bore size accommodates straight-shank tooling of that diameter. It is a common size kept on hand in general machine shops, vocational training facilities, and maintenance departments running manual milling operations. Each unit is sold individually.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e23\/32-inch bore diameter accepts matching straight-shank tooling\u003c\/li\u003e\n  \u003cli\u003eR8 taper profile fits standard R8 spindle milling machines\u003c\/li\u003e\n  \u003cli\u003e7\/16-20 drawbar thread for positive retention in the spindle\u003c\/li\u003e\n  \u003cli\u003e0.0007-inch TIR for reliable tool concentricity\u003c\/li\u003e\n  \u003cli\u003eSteel construction for durability under repeated clamping cycles\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as a standard R8 collet replacement for manual vertical knee mills and similar milling machines equipped with an R8 spindle taper and a 7\/16-20 drawbar thread.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation is performed by a qualified machinist with the machine powered down and the spindle at rest. The collet is inserted into the R8 spindle taper and secured by threading the drawbar from above. Tighten the drawbar snugly with a wrench — do not overtighten, as this can damage the collet or spindle taper. Inspect the collet bore and taper surfaces for chips or debris before each use to maintain TIR performance.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBore Size\u003c\/strong\u003e: 23\/32 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTaper Type\u003c\/strong\u003e: R8\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrawbar Thread Size\u003c\/strong\u003e: 7\/16-20 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTIR\u003c\/strong\u003e: 0.0007 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.5 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUNSPSC Code\u003c\/strong\u003e: 27112800\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: VALUE COLLECTION\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 231-4746\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"VALUE COLLECTION","offers":[{"title":"Default Title","offer_id":51721848226098,"sku":"231-4746","price":26.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/e942493a0fe13f09ce4df70de060d8a1.jpg?v=1788581879","url":"https:\/\/voomisupply.com\/products\/value-collection-231-4746-r8-collet-23-32-inch-steel","provider":"Voomi Supply","version":"1.0","type":"link"}