{"product_id":"accupro-775664-er32-collet-chuck-cat40-taper-shank","title":"Accupro 775664 ER32 Collet Chuck CAT40 Taper Shank","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe ACCUPRO 775664 is an ER32 collet chuck designed for precision CNC milling and machining center applications. It accepts ER32 collets with a clamping range of 0.078 to 0.787 inches and mounts via a CAT40 taper shank. Projection measures 6 inches from the gauge line, and total indicator runout (TIR) is rated at 0.0002 inches, making it suitable for finishing operations where concentricity matters. The chuck supports through-spindle and DIN flange coolant delivery, allowing coolant to reach the cutting zone directly. Balanced to 30,000 RPM, it is built for high-speed machining environments where vibration control is critical.\u003c\/p\u003e\u003cp\u003eThis collet chuck is used in vertical and horizontal machining centers equipped with CAT40 spindle interfaces. It is a common toolholding solution for general milling, drilling, reaming, and light boring in both job shop and production environments. The 6-inch projection is suited for reaching into deep workpiece features or clearing fixtures without requiring a separate extension. Installation and tool changes are handled by CNC machinists and toolroom technicians.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eER32 collet system with a capacity range of 0.078 to 0.787 inches\u003c\/li\u003e\n\u003cli\u003eCAT40 taper shank for direct mounting in CAT40 spindles\u003c\/li\u003e\n\u003cli\u003e0.0002-inch TIR for high-precision, low-runout toolholding\u003c\/li\u003e\n\u003cli\u003e6-inch projection for extended reach applications\u003c\/li\u003e\n\u003cli\u003eThrough-spindle and DIN flange coolant support for direct coolant delivery\u003c\/li\u003e\n\u003cli\u003eBalanced to 30,000 RPM for high-speed machining compatibility\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned for use in machining centers with a CAT40 spindle interface. Accepts standard ER32 collets.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation is performed by a CNC machinist or toolroom technician. Power down and lock out the machine spindle before mounting or removing the chuck. Use the appropriate CAT40 retention knob and drawbar torque procedure specified by the machine tool manufacturer. Verify TIR at the collet nose after assembly using a dial test indicator before running the spindle at speed.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCollet System\u003c\/strong\u003e: ER\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCollet Series\u003c\/strong\u003e: ER32\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Type\u003c\/strong\u003e: Taper\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTaper Size\u003c\/strong\u003e: CAT40\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimum Collet Capacity\u003c\/strong\u003e: 0.078 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Collet Capacity\u003c\/strong\u003e: 0.787 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProjection\u003c\/strong\u003e: 6 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTIR\u003c\/strong\u003e: 0.0002 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCollet Nut Diameter\u003c\/strong\u003e: 1.97 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoolant Type\u003c\/strong\u003e: Through-Spindle and DIN Flange\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBalanced To\u003c\/strong\u003e: 30,000 RPM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 1 pound\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: ACCUPRO\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 775664\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACCUPRO","offers":[{"title":"Default Title","offer_id":51748847321394,"sku":"775664","price":174.52,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/2a5fabcaa6cb631205946ebeacb8c632.jpg?v=1788899483","url":"https:\/\/voomisupply.com\/products\/accupro-775664-er32-collet-chuck-cat40-taper-shank","provider":"Voomi Supply","version":"1.0","type":"link"}