Features Versatile Compatibility: Easily adapts to various drilling and milling machines, ensuring seamless operation across different tools and enhancing your workshop's versatility Self-Tightening Mechanism: Features a robust self-tightening design with a clamping range of 0.5-6mm, providing exceptional grip and preventing slippage during use Durable Carbide Construction: Made from high-quality carbide material, this chuck offers excellent wear resistance and durability for long-lasting performance in demanding applications High Precision Performance: Designed for precision machining, this chuck ensures accurate drilling and reliable results, making it ideal for professional and hobbyist applications Extended Service Life: Built to withstand rigorous use, this chuck offers a longer service life, reducing the need for frequent replacements and saving you time and money Features: 1、Can be adapted to a variety of drilling machines, milling machines,etc 2、Self-tightening drill chuck, clamping range is 0.5-6mm, strong clamping force. 3、Carbide self-tightening drill chuck with good wear resistance and high hardn. 4、Suitable for high precision machining and long service life. 5、Accurate precision,reliable and . Specification: Item Type: Self Tighten Drill Chuck Material: Carbide Clamping Range: 0.5-6mm Package List: 1 X Self Tighten Drill Chuck Note: Prevent the drill from falling off during use. When installing the drill, the taper should reach 85% contact and fit, and then rotate to automatically clamp. Package List 1 X Self Tighten Drill Chuck