{"product_id":"collet-er-40","title":"Collet ER 40","description":"\u003ch2\u003eCollet ER 40\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eCollet ER 40\u003c\/strong\u003e — ER 40 precision collet for holding straight-shank tools (end mills, drills, taps, reamers) in CNC milling machines, machining centres, and drill presses. Hardened steel body, precision ground for low runout (typical TIR \u0026lt; 0.01 mm at nose). Slotted sleeve design compresses evenly around the tool shank when the nut is tightened.\u003c\/p\u003e\n\n\u003cp style=\"font-size:12px;color:#555;\"\u003e\u003cem\u003eAlso searched as: ER collet, spring collet, tool collet, CNC collet holder, precision collet chuck.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"border-collapse:collapse;width:100%;font-size:13px;\"\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:5px 10px;width:38%;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:5px 10px;\"\u003eMidland Tools\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f6f8fb;\"\u003e\n\u003ctd style=\"padding:5px 10px;\"\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:5px 10px;\"\u003eCollet\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:5px 10px;\"\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:5px 10px;\"\u003eHardened tool steel, precision ground\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f6f8fb;\"\u003e\n\u003ctd style=\"padding:5px 10px;\"\u003e\u003cstrong\u003eRunout (TIR)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:5px 10px;\"\u003e\u0026lt; 0.01 mm at nose (typical)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:5px 10px;\"\u003e\u003cstrong\u003eSold as\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:5px 10px;\"\u003ePer piece\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eER-collet quick reference\u003c\/h3\u003e\n\u003ctable style=\"border-collapse:collapse;width:100%;font-size:12px;\"\u003e\n  \u003cthead\u003e\u003ctr style=\"background:#0e1b4d;color:white;\"\u003e\n    \u003cth style=\"padding:6px 10px;text-align:left;\"\u003eCollet series\u003c\/th\u003e\n    \u003cth style=\"padding:6px 10px;text-align:left;\"\u003eClamping range\u003c\/th\u003e\n    \u003cth style=\"padding:6px 10px;text-align:left;\"\u003eCommon use\u003c\/th\u003e\n  \u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:5px 10px;\"\u003eER-11\u003c\/td\u003e\n\u003ctd style=\"padding:5px 10px;\"\u003e0.5–7 mm\u003c\/td\u003e\n\u003ctd style=\"padding:5px 10px;\"\u003eMicro-end mills, PCB drills\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background:#f6f8fb;\"\u003e\n\u003ctd style=\"padding:5px 10px;\"\u003eER-16\u003c\/td\u003e\n\u003ctd style=\"padding:5px 10px;\"\u003e1–10 mm\u003c\/td\u003e\n\u003ctd style=\"padding:5px 10px;\"\u003eSmall mills, drills\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:5px 10px;\"\u003eER-20\u003c\/td\u003e\n\u003ctd style=\"padding:5px 10px;\"\u003e1–13 mm\u003c\/td\u003e\n\u003ctd style=\"padding:5px 10px;\"\u003eGeneral-purpose milling\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background:#f6f8fb;\"\u003e\n\u003ctd style=\"padding:5px 10px;\"\u003eER-25\u003c\/td\u003e\n\u003ctd style=\"padding:5px 10px;\"\u003e1–16 mm\u003c\/td\u003e\n\u003ctd style=\"padding:5px 10px;\"\u003eStandard machining centre\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:5px 10px;\"\u003eER-32\u003c\/td\u003e\n\u003ctd style=\"padding:5px 10px;\"\u003e3–20 mm\u003c\/td\u003e\n\u003ctd style=\"padding:5px 10px;\"\u003eHeavy milling, shell mill arbors\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background:#f6f8fb;\"\u003e\n\u003ctd style=\"padding:5px 10px;\"\u003eER-40\u003c\/td\u003e\n\u003ctd style=\"padding:5px 10px;\"\u003e3–26 mm\u003c\/td\u003e\n\u003ctd style=\"padding:5px 10px;\"\u003eLarge end mills, face mill arbors\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cp style=\"font-size:12px;color:#666;margin-top:4px;\"\u003eEach collet clamps a narrow 1 mm sub-range — use the correct collet size for each shank diameter.\u003c\/p\u003e\n\n\u003cp style=\"margin-top:12px;\"\u003e\u003cstrong\u003eDispatch:\u003c\/strong\u003e Same day from Chandni Chowk, Delhi. India-wide shipping.\u003c\/p\u003e\n\u003cp\u003eNeed a full ER collet set, specific size, or matching collet chuck? \u003ca href=\"https:\/\/wa.me\/918448991774\"\u003eWhatsApp us at +91 84489 91774\u003c\/a\u003e.\u003c\/p\u003e","brand":"Midland Tools","offers":[{"title":"0.5","offer_id":45892354932976,"sku":null,"price":375.0,"currency_code":"INR","in_stock":true},{"title":"1","offer_id":45889495204080,"sku":null,"price":375.0,"currency_code":"INR","in_stock":true},{"title":"1.5","offer_id":45889495236848,"sku":null,"price":375.0,"currency_code":"INR","in_stock":true},{"title":"2","offer_id":45889495269616,"sku":null,"price":375.0,"currency_code":"INR","in_stock":true},{"title":"2.5","offer_id":45889495302384,"sku":null,"price":375.0,"currency_code":"INR","in_stock":true},{"title":"3","offer_id":45889495335152,"sku":null,"price":375.0,"currency_code":"INR","in_stock":true},{"title":"3.175","offer_id":46433786003696,"sku":null,"price":375.0,"currency_code":"INR","in_stock":true},{"title":"3.5","offer_id":45889495400688,"sku":null,"price":375.0,"currency_code":"INR","in_stock":true},{"title":"4","offer_id":45889495433456,"sku":null,"price":296.0,"currency_code":"INR","in_stock":true},{"title":"4.5","offer_id":45889495466224,"sku":null,"price":296.0,"currency_code":"INR","in_stock":true},{"title":"5","offer_id":45889495498992,"sku":null,"price":296.0,"currency_code":"INR","in_stock":true},{"title":"5.5","offer_id":45889495531760,"sku":null,"price":296.0,"currency_code":"INR","in_stock":true},{"title":"6","offer_id":45889495564528,"sku":null,"price":296.0,"currency_code":"INR","in_stock":true},{"title":"6.35","offer_id":46433786036464,"sku":null,"price":375.0,"currency_code":"INR","in_stock":true},{"title":"6.5","offer_id":45889495597296,"sku":null,"price":296.0,"currency_code":"INR","in_stock":true},{"title":"7","offer_id":45889495630064,"sku":null,"price":296.0,"currency_code":"INR","in_stock":true},{"title":"8","offer_id":45889495662832,"sku":null,"price":296.0,"currency_code":"INR","in_stock":true},{"title":"9","offer_id":45889495695600,"sku":null,"price":296.0,"currency_code":"INR","in_stock":true},{"title":"10","offer_id":45889495728368,"sku":null,"price":296.0,"currency_code":"INR","in_stock":true},{"title":"11","offer_id":45889495761136,"sku":null,"price":296.0,"currency_code":"INR","in_stock":true},{"title":"12","offer_id":45889495793904,"sku":null,"price":296.0,"currency_code":"INR","in_stock":true},{"title":"13","offer_id":45889495826672,"sku":null,"price":296.0,"currency_code":"INR","in_stock":true},{"title":"14","offer_id":45889495859440,"sku":null,"price":296.0,"currency_code":"INR","in_stock":true},{"title":"15","offer_id":45889495892208,"sku":null,"price":296.0,"currency_code":"INR","in_stock":true},{"title":"16","offer_id":45889495924976,"sku":null,"price":296.0,"currency_code":"INR","in_stock":true},{"title":"17","offer_id":45889495957744,"sku":null,"price":296.0,"currency_code":"INR","in_stock":true},{"title":"18","offer_id":45889495990512,"sku":null,"price":296.0,"currency_code":"INR","in_stock":true},{"title":"19","offer_id":45889496023280,"sku":null,"price":296.0,"currency_code":"INR","in_stock":true},{"title":"20","offer_id":45889496056048,"sku":null,"price":296.0,"currency_code":"INR","in_stock":true},{"title":"21","offer_id":45889496088816,"sku":null,"price":296.0,"currency_code":"INR","in_stock":true},{"title":"22","offer_id":45889496121584,"sku":null,"price":296.0,"currency_code":"INR","in_stock":true},{"title":"23","offer_id":45889496154352,"sku":null,"price":296.0,"currency_code":"INR","in_stock":true},{"title":"24","offer_id":45889496187120,"sku":null,"price":296.0,"currency_code":"INR","in_stock":true},{"title":"25","offer_id":45889496219888,"sku":null,"price":296.0,"currency_code":"INR","in_stock":true},{"title":"26","offer_id":45889496252656,"sku":null,"price":296.0,"currency_code":"INR","in_stock":true},{"title":"27","offer_id":45889496285424,"sku":null,"price":475.0,"currency_code":"INR","in_stock":true},{"title":"28","offer_id":45889496318192,"sku":null,"price":475.0,"currency_code":"INR","in_stock":true},{"title":"29","offer_id":45889496350960,"sku":null,"price":475.0,"currency_code":"INR","in_stock":true},{"title":"30","offer_id":45889496383728,"sku":null,"price":475.0,"currency_code":"INR","in_stock":true},{"title":"31","offer_id":45889496416496,"sku":null,"price":475.0,"currency_code":"INR","in_stock":true},{"title":"32","offer_id":45889496449264,"sku":null,"price":475.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0684\/5890\/5840\/files\/collet.webp?v=1714518535","url":"https:\/\/midlandtools.in\/products\/collet-er-40","provider":"Midland Tools ","version":"1.0","type":"link"}