{"product_id":"boka-nt40-er-spannzangenfutter-er25-er32-er40-60-mm-m16-prazision","title":"Boka NT40-ER collet chuck ER25 ER32 ER40 60 mm M16 precision ","description":"\u003cdiv class=\"product-container\"\u003e\n\n\u003cheader class=\"product-header\"\u003e\n \u003ch1\u003eBoka NT40-ER collet chuck ER25 ER32 ER40 60 mm M16 precision\u003c\/h1\u003e\n\n\u003cp\u003e The \u003cstrong\u003eBoka NT40-ER collet chuck series\u003c\/strong\u003e includes sizes \u003cstrong\u003eER25, ER32\u003c\/strong\u003e , and \u003cstrong\u003eER40\u003c\/strong\u003e with \u003cstrong\u003e60 mm\u003c\/strong\u003e overhang and \u003cstrong\u003eM16×2.0\u003c\/strong\u003e thread. Each chuck impresses with its highest precision, with a concentricity of only \u003cstrong\u003e0.005 mm TIR\u003c\/strong\u003e , hardened and ground tool steel ( \u003cstrong\u003eHRC48-52\u003c\/strong\u003e ), and \u003cstrong\u003eAT3\u003c\/strong\u003e taper accuracy. Thanks to \u003cstrong\u003eG2.5\u003c\/strong\u003e balancing for up to \u003cstrong\u003e20,000 rpm,\u003c\/strong\u003e they are ideal for high-speed machining. Includes clamping nut and internal cooling, suitable for CNC milling and drilling machines. \u003c\/p\u003e\n\n\u003c\/header\u003e\u003chr\u003e\n\n\u003cdiv id=\"table-of-contents\" class=\"table-of-contents\"\u003e\n\n\u003cinput type=\"checkbox\" id=\"toc-toggle\" class=\"toc-checkbox\" checked\u003e\n\u003ch2\u003e Table of contents\u003c\/h2\u003e\n\n\u003cdiv class=\"toc-content\"\u003e\n\n \u003ca href=\"#nt40-er25-60\"\u003eNT40-ER25-60\u003c\/a\u003e \u003ca href=\"#nt40-er32-60\"\u003eNT40-ER32-60\u003c\/a\u003e \u003ca href=\"#nt40-er40-60\"\u003eNT40-ER40-60\u003c\/a\u003e \u003ca href=\"#specifications\"\u003eSpecifications\u003c\/a\u003e \n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\u003chr\u003e\n\n\u003cdiv id=\"nt40-er25-60\" class=\"product-detail-block\"\u003e\n\n\u003ch2\u003e NT40-ER25-60\u003c\/h2\u003e\n\n \u003cp\u003eThe \u003cstrong\u003eBoka NT40-ER25-60\u003c\/strong\u003e collet chuck offers the highest precision for CNC machining. With only \u003cstrong\u003e0.005 mm\u003c\/strong\u003e \u003cstrong\u003eTIR\u003c\/strong\u003e runout, hardened tool steel \u003cstrong\u003eHRC48-52\u003c\/strong\u003e , and a precise \u003cstrong\u003eAT3\u003c\/strong\u003e taper fit, it is ideal for precise milling and drilling. Thanks to dynamic \u003cstrong\u003eG2.5\u003c\/strong\u003e balancing up to \u003cstrong\u003e20,000 rpm,\u003c\/strong\u003e it supports high-speed applications. It features a clamping nut and internal cooling for improved performance and a longer tool life.\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\u003eHighest precision:\u003c\/strong\u003e Concentricity only \u003cstrong\u003e0.005 mm TIR\u003c\/strong\u003e for exact machining results.\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003eRobust quality:\u003c\/strong\u003e Made of hardened tool steel \u003cstrong\u003eHRC48–52\u003c\/strong\u003e , ground and surface finished.\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003eExact fit:\u003c\/strong\u003e \u003cstrong\u003eAT3\u003c\/strong\u003e taper accuracy ensures precise tool holding.\u003c\/li\u003e\n\n\u003cli\u003e \n\u003cstrong\u003eHigh speed:\u003c\/strong\u003e Dynamically balanced \u003cstrong\u003eG2.5\u003c\/strong\u003e up to \u003cstrong\u003e20,000 rpm\u003c\/strong\u003e .\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003ePractical features:\u003c\/strong\u003e With clamping nut and internal cooling.\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003eUniversal application:\u003c\/strong\u003e Suitable for CNC milling machines, drilling machines and tool holders.\u003c\/li\u003e\n\n\n\u003c\/ul\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=\"nt40-er32-60\" class=\"product-detail-block\"\u003e\n\n\u003ch2\u003e NT40-ER32-60\u003c\/h2\u003e\n\n\u003cp\u003e The \u003cstrong\u003eBoka NT40-ER32-60\u003c\/strong\u003e collet chuck guarantees precise results with only \u003cstrong\u003e0.005 mm\u003c\/strong\u003e runout. The hardened alloy steel body ( \u003cstrong\u003eHRC48-52\u003c\/strong\u003e ) ensures a long service life. With \u003cstrong\u003eAT3\u003c\/strong\u003e taper accuracy and \u003cstrong\u003eG2.5\u003c\/strong\u003e dynamic balancing, it is ideal for high-speed machining up to \u003cstrong\u003e20,000 rpm\u003c\/strong\u003e . Equipped with a clamping nut and internal coolant, it supports milling and drilling applications in CNC machines.\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 Only \u003cstrong\u003e0.005 mm\u003c\/strong\u003e \u003cstrong\u003eTIR\u003c\/strong\u003e runout for high accuracy.\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003eMaterial quality:\u003c\/strong\u003e Hardened steel \u003cstrong\u003eHRC48–52\u003c\/strong\u003e , ground and finished.\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003eAT3 Accuracy:\u003c\/strong\u003e Precise taper for exact tool holding.\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003eHigh speed:\u003c\/strong\u003e \u003cstrong\u003eG2.5\u003c\/strong\u003e balanced up to \u003cstrong\u003e20,000 rpm\u003c\/strong\u003e .\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003eFully equipped:\u003c\/strong\u003e With clamping nut and internal cooling.\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003eWide application:\u003c\/strong\u003e For CNC milling, drilling and holders.\u003c\/li\u003e\n\n\n\u003c\/ul\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=\"nt40-er40-60\" class=\"product-detail-block\"\u003e\n\n\u003ch2\u003e NT40-ER40-60\u003c\/h2\u003e\n\n \u003cp\u003eThe \u003cstrong\u003eBoka NT40-ER40-60\u003c\/strong\u003e collet chuck combines the highest precision with a robust construction. Featuring a concentricity of \u003cstrong\u003e0.005 mm TIR\u003c\/strong\u003e , hardened steel ( \u003cstrong\u003eHRC48-52\u003c\/strong\u003e ), and \u003cstrong\u003eAT3\u003c\/strong\u003e taper accuracy, it meets the requirements of professional CNC machining. Dynamic balancing \u003cstrong\u003eG2.5\u003c\/strong\u003e enables high-speed milling up to \u003cstrong\u003e20,000 rpm\u003c\/strong\u003e . The included clamping nut and internal cooling ensure efficiency and longer tool life.\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\u003e0.005 mm TIR:\u003c\/strong\u003e Guarantees the highest precision during machining.\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003eRobust:\u003c\/strong\u003e \u003cstrong\u003eHRC48–52\u003c\/strong\u003e hardened steel with fine surface finish.\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003eExact:\u003c\/strong\u003e \u003cstrong\u003eAT3\u003c\/strong\u003e taper accuracy for precise tool holding.\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003eHigh speed:\u003c\/strong\u003e \u003cstrong\u003eG2.5\u003c\/strong\u003e balanced up to \u003cstrong\u003e20,000 rpm\u003c\/strong\u003e .\u003c\/li\u003e\n\n\u003cli\u003e \n\u003cstrong\u003eEquipment:\u003c\/strong\u003e With clamping nut and internal cooling included.\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003eCNC compatible:\u003c\/strong\u003e Suitable for milling and drilling machines.\u003c\/li\u003e\n\n\n\u003c\/ul\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 class=\"product-detail-block\"\u003e\n\n\u003ch2 id=\"specifications\"\u003e Specifications \u003c\/h2\u003e\n\n\u003cp\u003e\u003cimg style=\"max-width: 1000px; width: 100%; height: auto;\" alt=\"Technical drawing and dimensions of the Boka NT40-ER collet chuck series\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0505\/9503\/7346\/files\/NT40-ER.M16_para_pic.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 Model\u003c\/th\u003e\n\n\u003cth\u003e NT40×ER25-60\u003c\/th\u003e\n\n\u003cth\u003e NT40×ER32-60\u003c\/th\u003e\n\n\u003cth\u003e NT40×ER40-60\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 L1 (mm)\u003c\/td\u003e\n\n\u003ctd\u003e 60\u003c\/td\u003e\n\n\u003ctd\u003e 60\u003c\/td\u003e\n\n\u003ctd\u003e 60\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e L (mm)\u003c\/td\u003e\n\n\u003ctd\u003e 153.4\u003c\/td\u003e\n\n\u003ctd\u003e 153.4\u003c\/td\u003e\n\n\u003ctd\u003e 153.4\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e D (mm)\u003c\/td\u003e\n\n\u003ctd\u003e 42\u003c\/td\u003e\n\n\u003ctd\u003e 50\u003c\/td\u003e\n\n\u003ctd\u003e 63\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e M (thread)\u003c\/td\u003e\n\n\u003ctd\u003e M16×2.0\u003c\/td\u003e\n\n\u003ctd\u003e M16×2.0\u003c\/td\u003e\n\n\u003ctd\u003e M16×2.0\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e L×W×H (mm)\u003c\/td\u003e\n\n\u003ctd\u003e 72×72×150\u003c\/td\u003e\n\n\u003ctd\u003e 72×72×150\u003c\/td\u003e\n\n\u003ctd\u003e 72×72×150\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e NW (kg)\u003c\/td\u003e\n\n\u003ctd\u003e 1.25\u003c\/td\u003e\n\n\u003ctd\u003e 1.35\u003c\/td\u003e\n\n\u003ctd\u003e 1.40\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\u003cdiv class=\"section\" id=\"service-policies\"\u003e\n\n\u003ch2\u003e Customer Service \u0026amp; Policies\u003c\/h2\u003e\n\n\u003cdiv class=\"policy-links\"\u003e\n\n \u003ca href=\"https:\/\/www.bokatools.de\/policies\/terms-of-service\"\u003eGeneral Terms and Conditions\u003c\/a\u003e \u003ca href=\"https:\/\/www.bokatools.de\/policies\/shipping-policy\"\u003eShipping Information\u003c\/a\u003e \u003ca href=\"https:\/\/www.bokatools.de\/policies\/refund-policy\"\u003eRight of Withdrawal \u0026amp; Return\u003c\/a\u003e \u003ca href=\"https:\/\/www.bokatools.de\/policies\/privacy-policy\"\u003ePrivacy Policy\u003c\/a\u003e\n\n\u003c\/div\u003e\n\n\n\u003c\/div\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        font-size: 18px;\n        margin-top: 24px;\n    }\n\n    a {\n        text-decoration: none;\n        transition: color 0.3s ease;\n    }\n\n    a:hover {\n        text-decoration: underline;\n    }\n\n    .product-navigation a {\n        color: #007bff;\n    }\n\n    .product-navigation a:hover {\n        color: #0056b3;\n    }\n\n    hr {\n        border: 0;\n        height: 1px;\n        background-color: #e0e0e0;\n        margin: 36px 0;\n    }\n\n    img {\n        max-width: 100%;\n        height: auto;\n        border-radius: 8px;\n        box-shadow: 0 3px 6px rgba(0, 0, 0, 0.1);\n        margin: 20px 0;\n    }\n\n    \/* 优化后的产品详情模块样式 *\/\n    .product-detail-block {\n        padding: 20px;\n        background-color: #f7f7f7;\n        border-radius: 10px;\n        margin-bottom: 30px;\n        border: none; \/* 去掉边框 *\/\n    }\n\n    .table-of-contents {\n        background-color: #f7f7f7;\n        border: 1px solid #e0e0e0;\n        border-radius: 8px;\n        padding: 20px;\n        margin-bottom: 30px;\n    }\n\n    \/* 新增的目录样式 *\/\n    .toc-checkbox {\n        display: none; \/* 隐藏原始的 checkbox *\/\n    }\n\n    .toc-title {\n        cursor: pointer; \/* 鼠标悬停时显示为可点击 *\/\n        display: flex;\n        align-items: center;\n        justify-content: space-between;\n        padding-bottom: 10px;\n        border-bottom: 1px solid #e0e0e0;\n        margin-bottom: 0;\n    }\n\n    .toc-title h2 {\n        margin: 0;\n        font-size: 20px;\n    }\n\n    .toc-title::after {\n        content: '▼'; \/* 展开状态的箭头 *\/\n        font-size: 14px;\n        color: #555;\n        transition: transform 0.3s ease;\n    }\n\n    \/* 默认展开状态，箭头朝下 *\/\n    #toc-toggle:checked + .toc-title::after {\n        transform: rotate(0deg);\n    }\n\n    \/* 当 checkbox 未选中时，箭头朝上 *\/\n    #toc-toggle:not(:checked) + .toc-title::after {\n        transform: rotate(-90deg);\n    }\n\n    .toc-content {\n        max-height: 500px; \/* 展开时的高度，确保足够显示所有内容 *\/\n        overflow: hidden;\n        transition: max-height 0.4s ease-in-out;\n    }\n\n    \/* 当 checkbox 未选中时，折叠内容 *\/\n    #toc-toggle:not(:checked) ~ .toc-content {\n        max-height: 0;\n        padding-top: 0;\n        margin-top: 0;\n    }\n\n    .table-of-contents a {\n        color: #007bff;\n        font-weight: 600;\n        font-size: 16px;\n        display: block;\n        padding: 5px 10px;\n        border-radius: 5px;\n        transition: background-color 0.2s ease, color 0.2s ease;\n    }\n\n    .table-of-contents a:hover {\n        background-color: #e0e0e0;\n        color: #0056b3;\n        text-decoration: underline;\n    }\n\n    .table-wrapper {\n        overflow-x: auto;\n        margin: 20px 0;\n        border-radius: 10px;\n        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);\n        border: 1px solid #e0e0e0;\n    }\n\n    table {\n        width: 100%;\n        border-collapse: collapse;\n        border-spacing: 0;\n        background-color: #fff;\n    }\n\n    th, td {\n        padding: 12px 15px;\n        border: 1px solid #e0e0e0;\n        text-align: center;\n    }\n\n    td {\n        font-size: 15px;\n    }\n\n    th {\n        background-color: #f5f5f5;\n        font-weight: bold;\n        color: #333;\n    }\n\n    tr:nth-child(even) td {\n        background-color: #fafafa;\n    }\n\n    th:first-child,\n    td:first-child {\n        position: sticky;\n        left: 0;\n        background-color: #f5f5f5;\n        box-shadow: 1px 0 0 0 #e0e0e0;\n        font-weight: bold;\n        min-width: 140px;\n        font-size: 16px;\n    }\n\n    tr:nth-child(even) td:first-child {\n        background-color: #eee;\n    }\n\n    .policy-links {\n        display: grid;\n        gap: 10px;\n        grid-template-columns: repeat(2, 1fr);\n        padding: 0;\n    }\n\n    .policy-links a {\n        display: block;\n        padding: 10px 15px;\n        background: #d75519;\n        color: #fff;\n        border-radius: 5px;\n        text-decoration: none;\n        font-weight: bold;\n        transition: background-color 0.3s ease;\n    }\n\n    .policy-links a:hover {\n        background-color: #e6662a;\n        color: #fff;\n    }\n\n    @media (max-width: 768px) {\n        body {\n            font-size: 14px;\n        }\n\n        \/* 窄屏下，产品总容器左右无留白 *\/\n        .product-container {\n            padding: 0;\n            margin: 0;\n        }\n\n        \/* 窄屏下，总标题和描述单独添加内边距 *\/\n        .product-header,\n        .product-detail-block,\n        .table-of-contents {\n            padding-left: 16px;\n            padding-right: 16px;\n        }\n\n        \/* 窄屏下目录的字体大小与正文相同 *\/\n        .table-of-contents a {\n            font-size: 14px;\n        }\n\n        h1 {\n            font-size: 24px;\n            padding-bottom: 10px;\n        }\n\n        h2 {\n            font-size: 20px;\n            margin-top: 28px;\n        }\n\n        h3 {\n            font-size: 16px;\n            margin-top: 20px;\n        }\n\n        th, td {\n            padding: 8px 10px;\n            font-size: 13px;\n        }\n\n        th:first-child,\n        td:first-child {\n            min-width: 100px;\n        }\n        .policy-links {\n            grid-template-columns: 1fr;\n        }\n    }\n\u003c\/style\u003e","brand":"GEM Maschinen","offers":[{"title":"NT40-ER25-60","offer_id":52497266999636,"sku":"56031701","price":52.44,"currency_code":"EUR","in_stock":true},{"title":"NT40-ER32-60","offer_id":52497267032404,"sku":"56031702","price":52.44,"currency_code":"EUR","in_stock":true},{"title":"NT40-ER40-60","offer_id":52497267065172,"sku":"56031703","price":52.44,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0505\/9503\/7346\/files\/NT40-ER25-70-01.jpg?v=1756366870","url":"https:\/\/gem-europe.myshopify.com\/products\/boka-nt40-er-spannzangenfutter-er25-er32-er40-60-mm-m16-prazision","provider":"GEM Maschinen GmbH","version":"1.0","type":"link"}