{"product_id":"keyless-drill-chuck-0-3-3-2mm-m8-thread-electric-grinder-rotary-tools","title":"Keyless Drill Chuck 0.3–3.2mm – Aluminum Body, HSS Jaws, M8 Thread for Electric Grinder \u0026 Rotary Tools","description":"\u003cstyle\u003e\na {\n  text-decoration: none;\n  color: inherit;\n  transition: all 0.3s ease;\n}\na:hover {\n  text-decoration: underline;\n}\n@media only screen and (max-width: 768px) {\n  body { font-size: 16px; line-height: 1.6; padding: 0 10px; }\n  a { word-break: break-word; font-size: 16px; }\n  img { max-width: 100%; height: auto; }\n  table { width: 100%; display: block; overflow-x: auto; }\n}\n\u003c\/style\u003e\n\n\u003cp\u003eUpgrade your rotary tool with this precision keyless drill chuck, designed for fast bit changes and reliable performance. Featuring a durable \u003cstrong\u003ealuminum alloy body\u003c\/strong\u003e and \u003cstrong\u003ehigh-speed steel (HSS) jaws\u003c\/strong\u003e, this chuck delivers strong clamping force and long-lasting durability.\u003c\/p\u003e\n\n\u003cp\u003eWith a \u003cstrong\u003e0.3–3.2 mm clamping range\u003c\/strong\u003e, it supports a wide variety of micro drill bits, making it ideal for \u003cstrong\u003e\u003ca href=\"https:\/\/lapidarygrinder.com\/collections\/lapidary-grinding-polishing\" rel=\"noreferrer\" target=\"_blank\"\u003elapidary work\u003c\/a\u003e\u003c\/strong\u003e, PCB drilling, engraving, \u003cstrong\u003e\u003ca href=\"https:\/\/lapidarygrinder.com\/collections\/jewelry-making-tools\" rel=\"noreferrer\" target=\"_blank\"\u003ejewelry making\u003c\/a\u003e\u003c\/strong\u003e, and DIY precision fabrication.\u003c\/p\u003e\n\n\u003cp\u003eDesigned for \u003cstrong\u003eM8 × 0.75 mm\u003c\/strong\u003e threaded electric grinders and rotary tools, this chuck is available in \u003cstrong\u003eshort and long versions\u003c\/strong\u003e to match different thread lengths, ensuring a secure and stable fit.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eKeyless Design\u003c\/strong\u003e: Quick and tool-free bit changes — no chuck key required for fast, efficient workflow.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eWide Clamping Range (0.3–3.2 mm)\u003c\/strong\u003e: Fits most micro drill bits used in lapidary, jewelry, PCB, and engraving applications.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eDurable Construction\u003c\/strong\u003e: Aluminum alloy body with HSS jaws for precision grip and long service life.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eM8 × 0.75 mm Thread\u003c\/strong\u003e: Direct-fit for electric grinders and rotary tools with M8 spindle threads.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eMultiple Length Options\u003c\/strong\u003e: Short \u0026amp; long versions available for a secure fit across different thread lengths.\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBody Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAluminum Alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eJaw Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHigh-Speed Steel (HSS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOuter Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e14 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eClamping Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.3 – 3.2 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThread Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eM8 × 0.75 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAvailable Lengths\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eShort \/ Long\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003e\u003cstrong\u003eCompatibility \u0026amp; Usage\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eCompatible with electric grinders and rotary tools featuring \u003cstrong\u003eM8 × 0.75 mm\u003c\/strong\u003e spindle threads — a common standard on angle grinders, die grinders, and rotary tools used in lapidary, jewelry, and DIY fabrication.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003eLength Selection Guide\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eVersion\u003c\/th\u003e\n\u003cth\u003eThread Length\u003c\/th\u003e\n\u003cth\u003eBest For\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShort Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 10.5 mm\u003c\/td\u003e\n\u003ctd\u003eCompact grinders and rotary tools with shorter spindle threads\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLong Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026gt; 10.5 mm\u003c\/td\u003e\n\u003ctd\u003eStandard grinders and rotary tools with longer spindle threads\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003e\u003cstrong\u003eImportant Note\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eSlight internal movement or rattling may occur when the chuck is \u003cstrong\u003enot installed\u003c\/strong\u003e. This is normal due to the internal spring mechanism.\u003c\/p\u003e\n\u003cp\u003e✅ Once properly installed and tightened, the chuck will operate smoothly without vibration.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/lapidarygrinder.com\/collections\/lapidary-grinding-polishing\" rel=\"noreferrer\" target=\"_blank\"\u003eLapidary \u0026amp; Stone Work\u003c\/a\u003e\u003c\/strong\u003e: Secure grip on \u003ca href=\"https:\/\/lapidarygrinder.com\/collections\/sintered-diamond-core-drills\" rel=\"noreferrer\" target=\"_blank\"\u003esintered diamond burs\u003c\/a\u003e and grinding points for stone carving and shaping.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/lapidarygrinder.com\/collections\/jewelry-making-tools\" rel=\"noreferrer\" target=\"_blank\"\u003eJewelry Making\u003c\/a\u003e\u003c\/strong\u003e: Fast bit changes for carbide burs, engraving bits, and polishing tools in bench work.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/lapidarygrinder.com\/collections\/glass-grinding-finishing\" rel=\"noreferrer\" target=\"_blank\"\u003eGlass Finishing\u003c\/a\u003e\u003c\/strong\u003e: Compatible with \u003ca href=\"https:\/\/lapidarygrinder.com\/collections\/diamond-wire-hollow-drill-bits\" rel=\"noreferrer\" target=\"_blank\"\u003ediamond drill bits\u003c\/a\u003e for drilling and finishing glass and ceramic.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003ePCB \u0026amp; Electronics\u003c\/strong\u003e: Precise micro-drilling in circuit boards and prototype electronics builds.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eDIY \u0026amp; Engraving\u003c\/strong\u003e: Versatile chuck for engraving machines, desktop CNC tools, and hobby rotary platforms.\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eRelated Tools\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cp\u003e\u003ca href=\"https:\/\/lapidarygrinder.com\/collections\/machine-accessories\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003cstrong\u003eMachine Accessories\u003c\/strong\u003e\u003c\/a\u003e — Shaft adapters, backing plates, and motor accessories to complete your setup.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003ca href=\"https:\/\/lapidarygrinder.com\/collections\/diamond-wire-hollow-drill-bits\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003cstrong\u003eDiamond Wire Hollow Drill Bits\u003c\/strong\u003e\u003c\/a\u003e — Ideal for drilling gemstones, glass, and ceramic.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003ca href=\"https:\/\/lapidarygrinder.com\/collections\/sintered-diamond-core-drills\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003cstrong\u003eSintered Diamond Core Drills\u003c\/strong\u003e\u003c\/a\u003e — For larger bore drilling in hard stone and glass.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003ca href=\"https:\/\/lapidarygrinder.com\/collections\/jewelry-making-tools\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003cstrong\u003eJewelry Making Tools\u003c\/strong\u003e\u003c\/a\u003e — Burs, mandrels, and precision tools for bench jewelers and stone setters.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003ca href=\"https:\/\/lapidarygrinder.com\/collections\/lapidary-grinding-polishing\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003cstrong\u003eLapidary Grinding \u0026amp; Polishing\u003c\/strong\u003e\u003c\/a\u003e — Full range of grinding wheels, laps, and polishing tools for stone and gem work.\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eWhy Choose This Keyless Chuck?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eTool-Free Convenience\u003c\/strong\u003e: Keyless design eliminates the need for a chuck key — change bits in seconds without interrupting your workflow.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eM8 Direct Fit\u003c\/strong\u003e: Precision M8 × 0.75 mm thread ensures a secure, wobble-free installation on compatible grinders and rotary tools.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003ePrecision Grip\u003c\/strong\u003e: HSS jaws deliver consistent, centered clamping across the full 0.3–3.2 mm range — from the finest micro bits to standard 1\/8\" shanks.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eRight-Size Fit\u003c\/strong\u003e: Short and long versions ensure a secure installation regardless of your tool’s spindle thread length.\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eIdeal For\u003c\/strong\u003e: \u003ca href=\"https:\/\/lapidarygrinder.com\/collections\/jewelry-making-tools\" rel=\"noreferrer\" target=\"_blank\"\u003eJewelry makers\u003c\/a\u003e, \u003ca href=\"https:\/\/lapidarygrinder.com\/collections\/lapidary-grinding-polishing\" rel=\"noreferrer\" target=\"_blank\"\u003elapidary artists\u003c\/a\u003e, \u003ca href=\"https:\/\/lapidarygrinder.com\/collections\/gemstone-faceting-tools\" rel=\"noreferrer\" target=\"_blank\"\u003egemstone faceters\u003c\/a\u003e, PCB fabricators, and DIY enthusiasts who demand fast, reliable bit changes with precision clamping on M8-threaded tools.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eExplore our full range of \u003ca href=\"https:\/\/lapidarygrinder.com\/collections\/machine-accessories\" rel=\"noreferrer\" target=\"_blank\"\u003emachine accessories\u003c\/a\u003e and \u003ca href=\"https:\/\/lapidarygrinder.com\/collections\/diamond-wire-hollow-drill-bits\" rel=\"noreferrer\" target=\"_blank\"\u003ediamond drill bits\u003c\/a\u003e to complete your precision drilling setup. For bulk orders or custom configurations, contact our team for tailored solutions.\u003c\/strong\u003e\u003c\/p\u003e","brand":"flexiblediamondabrasive","offers":[{"title":"Default Title","offer_id":53379815243960,"sku":null,"price":10.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0570\/3217\/9896\/files\/TheKeylessChuck_eba581ba-a162-4245-a8aa-6c18b621fed6.png?v=1776829229","url":"https:\/\/lapidarygrinder.com\/pl\/products\/keyless-drill-chuck-0-3-3-2mm-m8-thread-electric-grinder-rotary-tools","provider":"hanslapidarytool","version":"1.0","type":"link"}