Features Wide Application: The collet chuck holder is widely used in milling machines and other equipment, and the CNC milling tool holder can achieve high-performance work. Suitable for drilling machines, milling machines, lathes, bench drills and small machine tools, etc. Premium High Speed Steel Material: The chuck seat is made of high-speed steel, which is not easy to be damaged after long-term use, and the product is resistant to high pressure and explosion-proof. Excellent Performance: The lathe tool holder has high hardness and long life after quenching and hardening. High Precision: The high precision of the milling tool ensures that your work efficiency is not affected, the performance is excellent, and the appearance is beautiful. Easy to Operate: Turning and milling are easy to use, easy to operate. With a more durable design, the milling tool holder can work well with high performance. Specification: Item Type: CNC tool holder Material: High speed steel Applicable Machine: Milling machine Hardness: 55-58 FMB Guide Post: Approx. 27mm / 1.06in Accuracy: Within 0.003mm Clamping Range: Approx. 1 ~ 20mm / 0.04 ~ 0.79in Speed: 30000 rpm Whether Coated: Non-coated Tail Hole Diameter: Approx. 12mm / 0.5in Package List: 1 x CNC Tool Holder Package List 1 x CNC Tool Holder