{"product_id":"micromot-3-jaw-keyless-chuck","title":"Proxxon MICROMOT Three-Jaw Keyless Chuck — 0.3–3.2mm, M8×0.75, Quick Bit Changes (No. 28941)","description":"\u003cp\u003eFast bit changes without a collet wrench. The Proxxon MICROMOT three-jaw keyless chuck replaces the standard collet on compatible Micromot rotary tools and the MF 70 mill, allowing you to quickly swap accessories with 0.3–3.2mm (1\/64\"–1\/8\") shanks by hand — no wrench or collet change required. The three-jaw self-centering design grips round shanks securely and releases instantly.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCompatibility note:\u003c\/strong\u003e This chuck is \u003cstrong\u003enot compatible\u003c\/strong\u003e with the IBS\/E Professional Rotary Tool, the IBS\/A Cordless Professional Drill\/Grinder, or the GG 12 Engraver. It fits all other Micromot rotary tools, the WS 90 Angle Attachment, and the MF 70 MICRO Mill.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacity:\u003c\/strong\u003e 1\/64\"–1\/8\" (0.3–3.2mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread:\u003c\/strong\u003e M8 × 0.75mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Three-jaw keyless (self-centering, no wrench needed)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible with:\u003c\/strong\u003e All Micromot rotary tools (except IBS\/E, IBS\/A, GG 12), WS 90 Angle Attachment, MF 70 MICRO Mill\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart No.:\u003c\/strong\u003e 28941\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCollet vs. Three-Jaw Chuck — Which Do You Need?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree-jaw keyless chuck (No. 28941) — this chuck:\u003c\/strong\u003e Accepts any shank from 0.3–3.2mm without changing collets. Best when you frequently swap between different accessory sizes and want fast, tool-free changes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"\/products\/micromot-steel-collet-set\"\u003eSteel collet set (No. 28940)\u003c\/a\u003e:\u003c\/strong\u003e Individual collets for each shank size. Best for precision work where maximum concentricity and grip security matter more than quick changes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this fit the IBS\/E?\u003c\/strong\u003e\u003cbr\u003eNo — this chuck is not compatible with the IBS\/E Professional Rotary Tool or the IBS\/A Cordless Professional Drill\/Grinder. For those tools, use the \u003ca href=\"\/products\/micromot-steel-collet-set\"\u003estandard steel collet set (No. 28940)\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this fit the MF 70 mill?\u003c\/strong\u003e\u003cbr\u003eYes — the three-jaw chuck fits the MF 70 MICRO Mill and is useful for quickly mounting drill bits for drilling operations without changing collets.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the thread specification?\u003c\/strong\u003e\u003cbr\u003eM8 × 0.75mm — this is the standard Micromot spindle thread for compatible tools.\u003c\/p\u003e\n\n\u003ch2\u003eWorks Well With\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/micromot-steel-collet-set\"\u003eProxxon MICROMOT Steel Collet Set — 6-Piece (No. 28940)\u003c\/a\u003e — precision collets for the same Micromot tools\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/micro-mill-mf-70\"\u003eProxxon MICRO Mill MF 70 (No. 37110)\u003c\/a\u003e — compatible bench mill\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/hss-twist-drill-set\"\u003eProxxon HSS Twist Drill Set — 10-Piece (No. 28874)\u003c\/a\u003e — drill bits for quick-change drilling operations\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/hss-twist-drill-set-titanium-nitrate-coated-with-brad-point\"\u003eProxxon TiN Brad Point Drill Set — 6-Piece (No. 28876)\u003c\/a\u003e — premium wood drilling bits\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eReturns can only be accepted for unused product in its original packaging. A copy of the original packing slip or invoice is required. For warranty claims please call 1-877-776-9966. Please see our return and refund policy \u003ca href=\"\/pages\/refund-policy\" target=\"_blank\" rel=\"noopener noreferrer\"\u003ehere\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cspan class=\"js-reveal\" data-reveal-target=\".js-reveal-container\"\u003eCalifornia Residents Prop 65 Information\u003c\/span\u003e\n\u003cdiv class=\"js-reveal-container\" data-reveal-mode=\"slide\"\u003e\n\u003cbr\u003e\u003cimg src=\"\/\/cdn.shopify.com\/s\/files\/1\/1643\/2529\/files\/exclamation-mark-24144_large.png?v=1511288737\" alt=\"\" width=\"16\" height=\"14\" border=\"0\" align=\"left\" style=\"margin: 6px 6px 0 0;\"\u003eWARNING: This product can expose you to chemicals including lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" target=\"_blank\" rel=\"noopener noreferrer\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e.\u003c\/div\u003e","brand":"Proxxon","offers":[{"title":"Default Title","offer_id":51229978788064,"sku":"28941","price":13.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0786\/3943\/1904\/files\/28941.jpg?v=1774616112","url":"https:\/\/protoolhaus.com\/products\/micromot-3-jaw-keyless-chuck","provider":"Pro Tool Haus","version":"1.0","type":"link"}