{"product_id":"techniks-04208-1-8-er8-collet-1-8-inch","title":"Techniks 04208-1\/8 ER8 Collet 1\/8 Inch","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe TECHNIKS 04208-1\/8 is an ER8 series collet sized for 1\/8 inch (0.1250 inch decimal) tool shanks. It is designed for use in ER8-compatible collet chucks mounted in CNC machining centers, milling machines, and similar rotating spindle equipment. The collet grips cutting tools or workpiece shanks with a Total Indicator Runout (TIR) of 0.0002 inch, supporting precision work where concentricity matters. A through-coolant passage allows coolant delivery directly to the cutting zone. Machinists and tooling technicians install and service this collet as part of routine tool changes and chuck maintenance.\u003c\/p\u003e\u003cp\u003eThe 04208-1\/8 fits standard ER8 collet chucks used in light-duty CNC milling and drilling applications. Its 1\/8 inch capacity makes it suited for small-diameter end mills, drill blanks, and similar tooling common in precision machining, engraving, and fine-detail work. The through-coolant feature supports flood and directed coolant strategies without requiring a separate coolant-fed chuck adapter.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eER8 collet series for use in ER8-compatible collet chucks\u003c\/li\u003e\n\u003cli\u003e1\/8 inch (0.1250 inch) collet size for small-diameter tool shanks\u003c\/li\u003e\n\u003cli\u003eTIR of 0.0002 inch for high-concentricity tool holding\u003c\/li\u003e\n\u003cli\u003eThrough-coolant design delivers coolant directly to the cutting zone\u003c\/li\u003e\n\u003cli\u003eLightweight at 0.5 pounds for easy handling during tool changes\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as a direct-fit replacement or spare for ER8-series collet chucks accepting 1\/8 inch collets.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation and removal should be performed by a qualified machinist or tooling technician. Always power down and lock out the spindle before changing collets. Use a proper ER8 collet nut and torque wrench rated for collet chuck service  -  do not over-tighten by hand or with improvised tools. Inspect the collet bore and chuck taper for chips or wear before seating the collet.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCollet Series\u003c\/strong\u003e: ER8\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCollet Size\u003c\/strong\u003e: 1\/8 inch (0.1250 inch)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTIR\u003c\/strong\u003e: 0.0002 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThrough Coolant\u003c\/strong\u003e: Yes\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\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: TECHNIKS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 04208-1\/8\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TECHNIKS","offers":[{"title":"Default Title","offer_id":52120178032946,"sku":"04208-1\/8","price":52.14,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/d6e670015579a48517661d3bb2d5b18a_d2bc5f40-bca2-4354-a59e-3cc16bae3afb.jpg?v=1790083580","url":"https:\/\/voomisupply.com\/products\/techniks-04208-1-8-er8-collet-1-8-inch","provider":"Voomi Supply","version":"1.0","type":"link"}