{"product_id":"boka-prazisions-spannzangen-sets-fur-sk-bt-mt-er32-er40-0-012mm","title":"Boka precision collet sets for SK, BT, MT (ER32 \u0026amp; ER40, ≤0.012mm) ","description":"\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cmeta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"\u003e\u003c\/p\u003e\n\n\u003cdiv class=\"product-container\"\u003e\n\n\u003cheader class=\"product-header\"\u003e\n\u003ch1\u003e High-precision ER collet chuck sets\u003c\/h1\u003e\n\n \u003cp\u003eDiscover our comprehensive, ready-to-use ER collet chuck sets. Our range includes common holders such as \u003cstrong\u003eSK, BT, and MT\u003c\/strong\u003e in the **ER32** and **ER40** series. With outstanding \u003cstrong\u003econcentricity of up to 0.012 mm\u003c\/strong\u003e and models finely balanced for up to **25,000 rpm**, our sets offer the highest precision. The ER32 series covers a clamping range from \u003cstrong\u003e3 mm to 20 mm\u003c\/strong\u003e , while the ER40 series ranges from **3 mm to 26 mm**. Find the perfect set for your specific machining requirements. \u003c\/p\u003e\n\n\u003c\/header\u003e\u003chr\u003e\n\n\u003cdiv id=\"table-of-contents\" class=\"table-of-contents\"\u003e\n\n\u003ch2\u003e Table of contents\u003c\/h2\u003e \n\u003ca href=\"#sk40-er32-15pcs\"\u003eSK40-ER32-15PCS Collet Chuck Set (3-20mm)\u003c\/a\u003e \u003ca href=\"#mt3-er32-18pcs\"\u003eMT3-ER32-18PCS Collet Chuck Set (3-20mm)\u003c\/a\u003e \u003ca href=\"#sk30-er32-18pcs\"\u003eSK30-ER32-18PCS Collet Chuck Set (3-20mm)\u003c\/a\u003e \u003ca href=\"#bt40-er32-18pcs\"\u003eBT40-ER32-18PCS Collet Chuck Set (3-20mm)\u003c\/a\u003e \u003ca href=\"#mt3-er40-15pcs\"\u003eMT3-ER40-15PCS Collet Chuck Set (3-26mm)\u003c\/a\u003e \u003ca href=\"#mt4-er40-15pcs\"\u003eMT4-ER40-15PCS Collet Chuck Set (3-26mm)\u003c\/a\u003e \u003ca href=\"#bt40-er40-15pcs\"\u003eBT40-ER40-15PCS Collet Chuck Set (3-26mm)\u003c\/a\u003e \n\n\u003c\/div\u003e\n\n\u003chr\u003e\n\n\u003cdiv id=\"sk40-er32-15pcs\" class=\"product-detail-block\"\u003e\n\n\u003ch2\u003e SK40-ER32-15PCS Collet Chuck Set (3-20mm)\u003c\/h2\u003e\n\n\u003cp\u003e This 15-piece set is the ideal solution for demanding CNC milling applications with an \u003cstrong\u003eSK40 shank\u003c\/strong\u003e . Precision manufacturing enables high concentricity, which is essential for machining delicate materials and achieving smooth surfaces. The set is precision balanced and supports through-spindle cooling.\u003c\/p\u003e\n\n\u003ch3\u003e Product details and benefits\u003c\/h3\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e \n\u003cstrong\u003eHigh precision:\u003c\/strong\u003e Exceptional concentricity of \u003cstrong\u003e0.012 mm\u003c\/strong\u003e for the highest machining quality.\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003ePowerful:\u003c\/strong\u003e Precision balanced up to \u003cstrong\u003e20,000 rpm\u003c\/strong\u003e and compatible with spindle through-cooling.\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003eComprehensive set:\u003c\/strong\u003e Includes chuck, 13 collets (3-20mm), hook wrench, gloves and plastic case.\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003eRobust materials:\u003c\/strong\u003e Hardened and ground ER32 collets for maximum holding power and durability.\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003eApplication:\u003c\/strong\u003e Ideal for milling, drilling and general CNC applications requiring an SK40 shank.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003ch3\u003e Specifications \u003c\/h3\u003e\n\n\u003cp\u003e\u003cimg style=\"max-width: 1000px; width: 100%; height: auto;\" alt=\"SK40-ER32-15PCS Specifications\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0505\/9503\/7346\/files\/SK40-ER32-15PCS-para.png\"\u003e\u003c\/p\u003e\n\n\u003cdiv class=\"table-wrapper\"\u003e\n\n\u003ctable\u003e\n\n\u003cthead\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003e Article (parameter)\u003c\/th\u003e\n\n\u003cth\u003e SK40-ER32-15PCS\u003c\/th\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/thead\u003e\n\n\u003ctbody\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e Overall concentricity\u003c\/td\u003e\n\n\u003ctd\u003e ≤0.012\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e Through-flow cooling\u003c\/td\u003e\n\n\u003ctd\u003e AD\/B\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e Balancing\u003c\/td\u003e\n\n\u003ctd\u003e G2.5 20000 RPM\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e Pull thread\u003c\/td\u003e\n\n\u003ctd\u003e M16\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e Clamping nut diameter (D)\u003c\/td\u003e\n\n\u003ctd\u003e 50mm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e Number of collets\u003c\/td\u003e\n\n\u003ctd\u003e 15 PCS\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e Clamping range (d)\u003c\/td\u003e\n\n\u003ctd\u003e 3-20mm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e Cantilever length (L1)\u003c\/td\u003e\n\n\u003ctd\u003e 70mm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e Total length (L)\u003c\/td\u003e\n\n\u003ctd\u003e 145.4mm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\n\n\n\u003c\/table\u003e\n\n\n\u003c\/div\u003e\n\n \u003ca href=\"#table-of-contents\"\u003eBack to table of contents\u003c\/a\u003e\n\n\u003c\/div\u003e\n\n\u003chr\u003e\n\n\u003cdiv id=\"mt3-er32-18pcs\" class=\"product-detail-block\"\u003e\n\n\u003ch2\u003e MT3-ER32-18PCS Collet Chuck Set (3-20mm)\u003c\/h2\u003e\n\n \u003cp\u003eThis 18-piece set with \u003cstrong\u003eMT3 chuck\u003c\/strong\u003e and M12 thread is perfect for versatile applications requiring precise tool clamping. The sturdy construction and hardened collets guarantee reliable tool guidance and a long service life, making it a cost-effective choice for workshops.\u003c\/p\u003e\n\n\u003ch3\u003e Product details and benefits\u003c\/h3\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003eSolid precision:\u003c\/strong\u003e High concentricity of \u003cstrong\u003e0.015 mm\u003c\/strong\u003e for reliable machining results.\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003eVersatile use:\u003c\/strong\u003e Ideal for drilling and milling applications in machines with MT3 chuck.\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003eComplete set:\u003c\/strong\u003e Includes chuck, 18 collets (3-20mm), hook wrench, gloves and plastic case.\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003eDurable collets:\u003c\/strong\u003e Hardened and precision ground for maximum clamping force and durability.\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003eEasy to use:\u003c\/strong\u003e Complete set for immediate use and easy tool changes.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003ch3\u003e Specifications \u003c\/h3\u003e\n\n\u003cp\u003e\u003cimg style=\"max-width: 1000px; width: 100%; height: auto;\" alt=\"MT3-ER32-18PCS specifications\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0505\/9503\/7346\/files\/MT3-ER32-18PCS-para.png\"\u003e\u003c\/p\u003e\n\n\u003cdiv class=\"table-wrapper\"\u003e\n\n\u003ctable\u003e\n\n\u003cthead\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003e Article (parameter)\u003c\/th\u003e\n\n\u003cth\u003e MT3-ER32-18PCS\u003c\/th\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/thead\u003e\n\n\u003ctbody\u003e\n\n\u003ctr\u003e\n\n \u003ctd\u003eOverall concentricity\u003c\/td\u003e\n\n\u003ctd\u003e ≤0.015mm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e Through-flow cooling\u003c\/td\u003e\n\n\u003ctd\u003e YES\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e Pull thread\u003c\/td\u003e\n\n\u003ctd\u003e M12\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e Clamping nut diameter (D)\u003c\/td\u003e\n\n\u003ctd\u003e 50mm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e Number of collets\u003c\/td\u003e\n\n\u003ctd\u003e 18 PCS\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e Clamping range (d)\u003c\/td\u003e\n\n\u003ctd\u003e 3-20mm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e Cantilever length (L1)\u003c\/td\u003e\n\n\u003ctd\u003e 60mm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e Total length (L)\u003c\/td\u003e\n\n\u003ctd\u003e 141mm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\n\n\n\u003c\/table\u003e\n\n\n\u003c\/div\u003e\n\n \u003ca href=\"#table-of-contents\"\u003eBack to table of contents\u003c\/a\u003e \n\n\u003c\/div\u003e\n\n\u003chr\u003e\n\n\u003cdiv id=\"sk30-er32-18pcs\" class=\"product-detail-block\"\u003e\n\n\u003ch2\u003e SK30-ER32-18PCS Collet Chuck Set (3-20mm)\u003c\/h2\u003e\n\n\u003cp\u003e This 18-piece set is an ideal solution for high-precision CNC milling applications with an \u003cstrong\u003eSK30 shank\u003c\/strong\u003e . Precision manufacturing ensures outstanding concentricity, which is crucial for machining delicate materials and achieving smooth surfaces. The set is precision balanced and supports through-spindle cooling.\u003c\/p\u003e\n\n\u003ch3\u003e Product details and benefits\u003c\/h3\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003ePrecision:\u003c\/strong\u003e An exceptional concentricity of \u003cstrong\u003e0.012 mm\u003c\/strong\u003e for the highest machining quality.\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003ePerformance:\u003c\/strong\u003e Precision balanced up to \u003cstrong\u003e25,000 rpm\u003c\/strong\u003e and compatible with spindle through-cooling.\u003c\/li\u003e\n\n\u003cli\u003e \n\u003cstrong\u003eComprehensive set:\u003c\/strong\u003e Includes chuck, 18 collets (3-20mm), hook wrench, gloves and plastic case.\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003eMaterials:\u003c\/strong\u003e Hardened and ground ER32 collets for maximum holding power and durability.\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003eApplication:\u003c\/strong\u003e Ideal for milling, drilling and general CNC applications requiring an SK30 shank.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003ch3\u003e Specifications \u003c\/h3\u003e\n\n\u003cp\u003e\u003cimg style=\"max-width: 1000px; width: 100%; height: auto;\" alt=\"SK30-ER32-18PCS Specifications\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0505\/9503\/7346\/files\/SK40-ER32-15PCS-para.png\"\u003e\u003c\/p\u003e\n\n\u003cdiv class=\"table-wrapper\"\u003e\n\n\u003ctable\u003e\n\n\u003cthead\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003e Article (parameter)\u003c\/th\u003e\n\n\u003cth\u003e SK30-ER32-18PCS\u003c\/th\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/thead\u003e\n\n\u003ctbody\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e Overall concentricity\u003c\/td\u003e\n\n\u003ctd\u003e ≤0.012mm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e Through-flow cooling\u003c\/td\u003e\n\n\u003ctd\u003e YES\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e Balancing\u003c\/td\u003e\n\n\u003ctd\u003e G2.5 25000 RPM\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e Pull thread\u003c\/td\u003e\n\n\u003ctd\u003e M12\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e Clamping nut diameter (D)\u003c\/td\u003e\n\n\u003ctd\u003e 50mm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e Number of collets\u003c\/td\u003e\n\n\u003ctd\u003e 18PCS\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e Clamping range (d)\u003c\/td\u003e\n\n\u003ctd\u003e 3-20mm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e Cantilever length (L1)\u003c\/td\u003e\n\n\u003ctd\u003e 63mm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e Total length (L)\u003c\/td\u003e\n\n\u003ctd\u003e 110.8mm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\n\n\n\u003c\/table\u003e\n\n\n\u003c\/div\u003e\n\n \u003ca href=\"#table-of-contents\"\u003eBack to table of contents\u003c\/a\u003e \n\n\u003c\/div\u003e\n\n\u003chr\u003e\n\n\u003cdiv id=\"bt40-er32-18pcs\" class=\"product-detail-block\"\u003e\n\n\u003ch2\u003e BT40-ER32-18PCS Collet Chuck Set (3-20mm)\u003c\/h2\u003e\n\n \u003cp\u003eThis 18-piece set with \u003cstrong\u003eBT40 chuck\u003c\/strong\u003e is a complete solution for high-precision applications in CNC machines. Its concentricity of \u003cstrong\u003e0.012 mm\u003c\/strong\u003e and dynamic balancing make it an ideal choice for high-speed milling applications. The set also supports through-spindle cooling.\u003c\/p\u003e\n\n\u003ch3\u003e Product details and benefits\u003c\/h3\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003ePrecision:\u003c\/strong\u003e Outstanding concentricity of \u003cstrong\u003e0.012 mm\u003c\/strong\u003e for the highest machining quality.\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003ePerformance:\u003c\/strong\u003e Precision balanced up to \u003cstrong\u003e20,000 rpm\u003c\/strong\u003e and compatible with spindle through-cooling.\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003eComplete:\u003c\/strong\u003e Includes chuck, 18 collets (3-20mm), hook wrench, gloves and plastic case.\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003eDurability:\u003c\/strong\u003e Hardened and ground ER32 collets for maximum holding power and durability.\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003eCompatibility:\u003c\/strong\u003e Ideal for CNC machines with \u003cstrong\u003eBT40 chuck\u003c\/strong\u003e .\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003ch3\u003e Specifications \u003c\/h3\u003e\n\n\u003cp\u003e\u003cimg style=\"max-width: 1000px; width: 100%; height: auto;\" alt=\"BT40-ER32-18PCS Specifications\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0505\/9503\/7346\/files\/BT40-ER32-18PCS-para.png\"\u003e\u003c\/p\u003e\n\n\u003cdiv class=\"table-wrapper\"\u003e\n\n\u003ctable\u003e\n\n\u003cthead\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003e Article (parameter)\u003c\/th\u003e\n\n\u003cth\u003e BT40-ER32-18PCS\u003c\/th\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/thead\u003e\n\n\u003ctbody\u003e\n\n\u003ctr\u003e\n\n \u003ctd\u003eOverall concentricity\u003c\/td\u003e\n\n\u003ctd\u003e ≤0.012mm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e Through-flow cooling\u003c\/td\u003e\n\n\u003ctd\u003e YES\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e Balancing\u003c\/td\u003e\n\n\u003ctd\u003e G2.5 20000 RPM\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e Pull thread\u003c\/td\u003e\n\n\u003ctd\u003e M16\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e Clamping nut diameter (D)\u003c\/td\u003e\n\n\u003ctd\u003e 50mm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e Number of collets\u003c\/td\u003e\n\n\u003ctd\u003e 18 PCS\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e Clamping range (d)\u003c\/td\u003e\n\n\u003ctd\u003e 3-20mm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e Cantilever length (L1)\u003c\/td\u003e\n\n\u003ctd\u003e 70mm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e Total length (L)\u003c\/td\u003e\n\n\u003ctd\u003e 135.4mm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\n\n\n\u003c\/table\u003e\n\n\n\u003c\/div\u003e\n\n \u003ca href=\"#table-of-contents\"\u003eBack to table of contents\u003c\/a\u003e\n\n\u003c\/div\u003e\n\n\u003chr\u003e\n\n\u003cdiv id=\"mt3-er40-15pcs\" class=\"product-detail-block\"\u003e\n\n\u003ch2\u003e MT3-ER40-15PCS Collet Chuck Set (3-26mm)\u003c\/h2\u003e\n\n\u003cp\u003e This 15-piece set with \u003cstrong\u003eMT3 chuck\u003c\/strong\u003e is a versatile and precise solution for milling, drilling, and lathes. The high concentricity of \u003cstrong\u003e0.015 mm\u003c\/strong\u003e and the hardened collets guarantee reliable tool guidance and a long service life. It's the ideal choice for workshops that value quality and cost-effectiveness.\u003c\/p\u003e\n\n\u003ch3\u003e Product details and benefits\u003c\/h3\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003eSolid precision:\u003c\/strong\u003e High concentricity of \u003cstrong\u003e0.015 mm\u003c\/strong\u003e for reliable machining results.\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003eVersatile use:\u003c\/strong\u003e Perfect for a wide range of applications in machines with MT3 chuck.\u003c\/li\u003e\n\n\u003cli\u003e \n\u003cstrong\u003eComplete set:\u003c\/strong\u003e Includes chuck, 15 collets (3-26mm), hook wrench, gloves and plastic case.\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003eRobust materials:\u003c\/strong\u003e Hardened and precisely ground ER40 collets for maximum clamping force.\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003eWide clamping range:\u003c\/strong\u003e Covers a wide tool diameter range from \u003cstrong\u003e3mm to 26mm\u003c\/strong\u003e .\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003ch3\u003e Specifications \u003c\/h3\u003e\n\n\u003cp\u003e\u003cimg style=\"max-width: 1000px; width: 100%; height: auto;\" alt=\"MT3-ER40-15PCS Specifications\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0505\/9503\/7346\/files\/MT3-ER40-15PCS-para.png\"\u003e\u003c\/p\u003e\n\n\u003cdiv class=\"table-wrapper\"\u003e\n\n\u003ctable\u003e\n\n\u003cthead\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003e Article (parameter)\u003c\/th\u003e\n\n\u003cth\u003e MT3-ER40-15PCS\u003c\/th\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/thead\u003e\n\n\u003ctbody\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e Overall concentricity\u003c\/td\u003e\n\n\u003ctd\u003e ≤0.015mm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e Through-flow cooling\u003c\/td\u003e\n\n\u003ctd\u003e YES\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e Pull thread\u003c\/td\u003e\n\n\u003ctd\u003e M12\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e Clamping nut diameter (D)\u003c\/td\u003e\n\n\u003ctd\u003e 63mm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e Number of collets\u003c\/td\u003e\n\n\u003ctd\u003e 15PCS\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e Clamping range (d)\u003c\/td\u003e\n\n\u003ctd\u003e 3-26mm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e Cantilever length (L1)\u003c\/td\u003e\n\n\u003ctd\u003e 70mm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e Total length (L)\u003c\/td\u003e\n\n\u003ctd\u003e 151mm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\n\n\n\u003c\/table\u003e\n\n\n\u003c\/div\u003e\n\n \u003ca href=\"#table-of-contents\"\u003eBack to table of contents\u003c\/a\u003e\n\n\u003c\/div\u003e\n\n\u003chr\u003e\n\n\u003cdiv id=\"mt4-er40-15pcs\" class=\"product-detail-block\"\u003e\n\n\u003ch2\u003e MT4-ER40-15PCS Collet Chuck Set (3-26mm)\u003c\/h2\u003e\n\n \u003cp\u003eThis 15-piece set with \u003cstrong\u003eMT4 chuck\u003c\/strong\u003e is a precise and reliable solution for demanding applications. The concentricity of \u003cstrong\u003e0.015 mm\u003c\/strong\u003e guarantees clean and precise tool guidance. With its wide clamping range and hardened collets, it's an indispensable tool for professional workshops that demand versatility and quality.\u003c\/p\u003e\n\n\u003ch3\u003e Product details and benefits\u003c\/h3\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003eSolid precision:\u003c\/strong\u003e High concentricity of \u003cstrong\u003e0.015 mm\u003c\/strong\u003e for reliable machining results.\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003eWide clamping range:\u003c\/strong\u003e Covers a wide tool diameter range from \u003cstrong\u003e3mm to 26mm\u003c\/strong\u003e .\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003eComplete set:\u003c\/strong\u003e Includes chuck, 15 collets (3-26mm), hook wrench, gloves and plastic case.\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003eRobust materials:\u003c\/strong\u003e Hardened and ground ER40 collets for maximum clamping force and durability.\u003c\/li\u003e\n\n\u003cli\u003e \n\u003cstrong\u003eApplication:\u003c\/strong\u003e Ideal for drilling, milling and turning machines that require an MT4 chuck.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003ch3\u003e Specifications \u003c\/h3\u003e\n\n\u003cp\u003e\u003cimg style=\"max-width: 1000px; width: 100%; height: auto;\" alt=\"MT4-ER40-15PCS Specifications\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0505\/9503\/7346\/files\/MT4-ER40-15PCS-para.png\"\u003e\u003c\/p\u003e\n\n\u003cdiv class=\"table-wrapper\"\u003e\n\n\u003ctable\u003e\n\n\u003cthead\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003e Article (parameter)\u003c\/th\u003e\n\n\u003cth\u003e MT4-ER40-15PCS\u003c\/th\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/thead\u003e\n\n\u003ctbody\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e Overall concentricity\u003c\/td\u003e\n\n\u003ctd\u003e ≤0.015mm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e Through-flow cooling\u003c\/td\u003e\n\n\u003ctd\u003e YES\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e Pull thread\u003c\/td\u003e\n\n\u003ctd\u003e M16\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e Clamping nut diameter (D)\u003c\/td\u003e\n\n\u003ctd\u003e 63mm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e Number of collets\u003c\/td\u003e\n\n\u003ctd\u003e 15PCS\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e Clamping range (d)\u003c\/td\u003e\n\n\u003ctd\u003e 3-26mm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e Cantilever length (L1)\u003c\/td\u003e\n\n\u003ctd\u003e 70mm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e Total length (L)\u003c\/td\u003e\n\n\u003ctd\u003e 151mm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\n\n\n\u003c\/table\u003e\n\n\n\u003c\/div\u003e\n\n \u003ca href=\"#table-of-contents\"\u003eBack to table of contents\u003c\/a\u003e \n\n\u003c\/div\u003e\n\n\u003chr\u003e\n\n\u003cdiv id=\"bt40-er40-15pcs\" class=\"product-detail-block\"\u003e\n\n\u003ch2\u003e BT40-ER40-15PCS Collet Chuck Set (3-26mm)\u003c\/h2\u003e\n\n\u003cp\u003e This 15-piece set with \u003cstrong\u003eBT40 shank\u003c\/strong\u003e is a complete and precise solution for demanding applications. With exceptional concentricity of \u003cstrong\u003e0.012 mm\u003c\/strong\u003e and balancing up to \u003cstrong\u003e20,000 rpm,\u003c\/strong\u003e it's ideal for high-speed machining. It also supports through-spindle cooling and offers a wide range of clamping options.\u003c\/p\u003e\n\n\u003ch3\u003e Product details and benefits\u003c\/h3\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e \n\u003cstrong\u003ePrecision:\u003c\/strong\u003e An exceptional concentricity of \u003cstrong\u003e0.012 mm\u003c\/strong\u003e for the highest machining quality.\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003ePerformance:\u003c\/strong\u003e Precision balanced up to \u003cstrong\u003e20,000 rpm\u003c\/strong\u003e and compatible with spindle through-cooling.\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003eComprehensive set:\u003c\/strong\u003e Includes chuck, 15 collets (3-26mm), hook wrench, gloves and plastic case.\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003eCompatibility:\u003c\/strong\u003e Ideal for CNC machines with \u003cstrong\u003eBT40 chuck\u003c\/strong\u003e .\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003eWide clamping range:\u003c\/strong\u003e Covers a wide tool diameter range from \u003cstrong\u003e3mm to 26mm\u003c\/strong\u003e .\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003ch3\u003e Specifications \u003c\/h3\u003e\n\n\u003cp\u003e\u003cimg style=\"max-width: 1000px; width: 100%; height: auto;\" alt=\"BT40-ER40-15PCS Specifications\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0505\/9503\/7346\/files\/BT40-ER40-15PCS-para.png\"\u003e\u003c\/p\u003e\n\n\u003cdiv class=\"table-wrapper\"\u003e\n\n\u003ctable\u003e\n\n\u003cthead\u003e\n\n\u003ctr\u003e\n\n\u003cth\u003e Article (parameter)\u003c\/th\u003e\n\n\u003cth\u003e BT40-ER40-15PCS\u003c\/th\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/thead\u003e\n\n\u003ctbody\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e Overall concentricity\u003c\/td\u003e\n\n\u003ctd\u003e ≤0.012mm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e Through-flow cooling\u003c\/td\u003e\n\n\u003ctd\u003e YES\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e Balancing\u003c\/td\u003e\n\n\u003ctd\u003e G2.5 20000 RPM\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e Pull thread\u003c\/td\u003e\n\n\u003ctd\u003e M16\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e Clamping nut diameter (D)\u003c\/td\u003e\n\n\u003ctd\u003e 63mm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e Number of collets\u003c\/td\u003e\n\n\u003ctd\u003e 15PCS\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e Clamping range (d)\u003c\/td\u003e\n\n\u003ctd\u003e 3-26mm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e Cantilever length (L1)\u003c\/td\u003e\n\n\u003ctd\u003e 80mm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e Total length (L)\u003c\/td\u003e\n\n\u003ctd\u003e 145.4mm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\n\n\n\u003c\/table\u003e\n\n\n\u003c\/div\u003e\n\n \u003ca href=\"#table-of-contents\"\u003eBack to table of contents\u003c\/a\u003e\n\n\u003c\/div\u003e\n\n\u003chr\u003e\n\n\n\u003c\/div\u003e\n\n\u003cstyle\u003e\n    body {\n        font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;\n        line-height: 1.6;\n        padding: 0;\n        color: #333;\n        background-color: #ffffff;\n        font-size: 16px;\n    }\n\n    .product-container {\n        max-width: 900px;\n        margin: 0 auto;\n        padding: 24px;\n        background-color: #ffffff;\n        border-radius: 12px;\n    }\n\n    h1, h2, h3 {\n        color: #333;\n        font-weight: 600;\n    }\n\n    h1 {\n        font-size: 28px;\n        border-bottom: 2px solid #e0e0e0;\n        padding-bottom: 15px;\n        margin-bottom: 20px;\n    }\n\n    h2 {\n        font-size: 22px;\n        margin-top: 36px;\n    }\n\n    h3 {\n     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