{"product_id":"er11-spring-collet-set-1","title":"ER11 Spring Collet Set 1-7mm for CNC Spindles, 7pcs","description":"\n\u003ch2\u003eER11 Spring Collet Set 1-7mm for CNC Spindles, 7pcs\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eER11 Spring Collet Set\u003c\/strong\u003e is a 7-piece collet kit for holding small CNC router bits, end mills, engraving cutters, drill bits, and similar round-shank tools in compatible ER11 spindle and collet-nut systems. The set covers \u003cstrong\u003e1mm, 2mm, 3mm, 4mm, 5mm, 6mm, and 7mm\u003c\/strong\u003e tool shank sizes, giving users a practical range for common desktop CNC tooling.\u003c\/p\u003e\n\u003cp\u003eUsing the correct collet size is critical for tool grip, concentricity, surface finish, and safer cutting. This ER11 set helps users switch between fine engraving tools and larger-shank cutters without relying on a single oversized collet or forcing an incorrect fit.\u003c\/p\u003e\n\u003cp\u003eFor related CNC tooling, compare the \u003ca href=\"https:\/\/openelab.io\/products\/sn07a-4mm-shank-3-flute\" style=\"color: #00AAFF;\"\u003e\u003cstrong\u003eGenmitsu SN07A 4mm End Mill Set\u003c\/strong\u003e\u003c\/a\u003e, \u003ca href=\"https:\/\/openelab.io\/products\/mc10a-1-4-shank-general\" style=\"color: #00AAFF;\"\u003e\u003cstrong\u003eGenmitsu MC10A 1\/4in Router Bit Set\u003c\/strong\u003e\u003c\/a\u003e, and \u003ca href=\"https:\/\/openelab.io\/products\/end-mills-cnc-router-bits\" style=\"color: #00AAFF;\"\u003e\u003cstrong\u003eMRBC08 CNC Router Bits\u003c\/strong\u003e\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eER11 spring collet set\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCollet Standard\u003c\/td\u003e\n\u003ctd\u003eER11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003e7 pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded Sizes\u003c\/td\u003e\n\u003ctd\u003e1mm, 2mm, 3mm, 4mm, 5mm, 6mm, and 7mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTool Holding Range\u003c\/td\u003e\n\u003ctd\u003eRound-shank tools matching the listed collet sizes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Setup\u003c\/td\u003e\n\u003ctd\u003eER11 spindle, ER11 collet nut, and CNC router \/ engraving machine setups that support ER11 tooling\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTypical Tooling\u003c\/td\u003e\n\u003ctd\u003eEnd mills, router bits, engraving cutters, drill bits, and other compatible round-shank tools\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUse Focus\u003c\/td\u003e\n\u003ctd\u003eTool clamping, tool-size changeover, CNC routing, engraving, drilling, and milling preparation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFit Requirement\u003c\/td\u003e\n\u003ctd\u003eMatch the collet size to the actual tool shank diameter before tightening\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaintenance\u003c\/td\u003e\n\u003ctd\u003eKeep the collet, nut, taper, and tool shank clean before installation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eIntegration Notes \u0026amp; Hardware Guidance\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMatch the shank exactly:\u003c\/strong\u003e Select the collet size that matches the tool shank diameter. A mismatched collet can reduce grip and increase runout.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean before tightening:\u003c\/strong\u003e Dust, chips, oil, or burrs on the collet, nut, spindle taper, or tool shank can affect concentricity and holding force.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeat the collet correctly:\u003c\/strong\u003e Snap the ER11 collet into the nut first, then insert the tool and tighten according to the spindle or collet-nut guidance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck tool stick-out:\u003c\/strong\u003e Keep tool extension as short as the job allows to reduce vibration, chatter, and tool deflection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInspect wear:\u003c\/strong\u003e Replace collets that show visible damage, uneven grip marks, corrosion, or reduced holding performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor compatible CNC machine and workholding options, see the \u003ca href=\"https:\/\/openelab.io\/products\/genmitsu-cnc-3018-prover-kit\" style=\"color: #00AAFF;\"\u003e\u003cstrong\u003eGenmitsu 3018-PROVer CNC Router Kit\u003c\/strong\u003e\u003c\/a\u003e and \u003ca href=\"https:\/\/openelab.io\/products\/aluminum-bench-vise-clamp-size\" style=\"color: #00AAFF;\"\u003e\u003cstrong\u003eGenmitsu Aluminum Bench Vise Clamp\u003c\/strong\u003e\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003ePacking List\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eItem\u003c\/th\u003e\n\u003cth\u003eQty\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eER11 spring collets\u003c\/td\u003e\n\u003ctd\u003e7\u003c\/td\u003e\n\u003ctd\u003e1mm, 2mm, 3mm, 4mm, 5mm, 6mm, and 7mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtective packaging\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003ePackaging may vary by shipment batch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What sizes are included?\u003c\/strong\u003e\u003cbr\u003eA: The set includes 1mm, 2mm, 3mm, 4mm, 5mm, 6mm, and 7mm ER11 spring collets.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How many collets are included?\u003c\/strong\u003e\u003cbr\u003eA: The set includes 7 collets.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What spindle type is this for?\u003c\/strong\u003e\u003cbr\u003eA: This set is for compatible ER11 spindle and collet-nut systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I clamp a tool with a smaller shank in a larger collet?\u003c\/strong\u003e\u003cbr\u003eA: Do not rely on an oversized collet. Match the collet size to the actual tool shank diameter for better grip and lower runout.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can these collets be used with end mills?\u003c\/strong\u003e\u003cbr\u003eA: Yes, when the end mill shank matches one of the included collet sizes and the spindle uses an ER11 system.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What should I clean before installation?\u003c\/strong\u003e\u003cbr\u003eA: Clean the collet, collet nut, spindle taper, and tool shank before tightening.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: When should I replace a collet?\u003c\/strong\u003e\u003cbr\u003eA: Replace it if it shows visible damage, rust, uneven grip marks, poor concentricity, or reduced clamping force.\u003c\/p\u003e\n","brand":"OpenELAB","offers":[{"title":"Default Title","offer_id":45830094749894,"sku":"101-60-70ER11","price":37.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0621\/0050\/4774\/files\/01_803f0392-6776-4e0a-9382-14a99f3b411d.webp?v=1778309044","url":"https:\/\/openelab.io\/sv\/products\/er11-spring-collet-set-1","provider":"OpenELAB Technology Ltd.","version":"1.0","type":"link"}