Collet Chuck Holder 20CrMnTi Carbon Steel CNC Mill Spindle Tool Holder with Wrench, and Wear Resistance for Precision Machining

Item Type: Collet Chuck HolderMaterial: 20CrMnTi + Carbon SteelModel: BT40-ER11A-100Blade Handle Taper: 7: 24Chuck Specification: ER11Clamping Range: Approx. 1-7mm / 0.04-0.28inBlade Handle Working Length: Approx. 100mm / 4.00inAccuracy: 0.005mmHardness: >HRC56°Speed: 10000rpmRough Surface: 0.8mmPackage List：1 x Mill Spindle Tool Holder 1 x Wrench 1 x Storage Box Note:Please select according to the installation specifications

• Design: This collet chuck holder is precision-ground after heat treatment to ensure exceptional concentricity and stability during high-speed CNC milling operations, delivering consistent performance on demanding machine tools.
• Superior Wear Resistance: Made from 20CrMnTi carbon steel and treated with carburizing and quenching, this CNC mill spindle holder achieves high surface hardness and strong resistance to wear, extending service life significantly compared to standard tool holders.
• Wide Application Compatibility: Ideal for machinists, metalworkers, and CNC operators, this spindle tool holder works seamlessly with a variety of collets and machines, supporting versatile clamping needs in workshops and industrial settings.
• Durable Integral Construction: The collet chuck holder features an integral molded structure with finely controlled internal and external processing, minimizing vibration and ensuring robust, fatigue- performance under heavy-duty use.
• Complete and Easy Setup: Includes a matching wrench for quick installation and secure tightening; the collet chuck holder offers a wide clamping range, making it easy to use while maintaining strong holding power and operational reliability.