Integral Drill Chuck – Precision, Strength, and Versatility for Professional Milling **Exceptional Rigidity and Precision** Designed with a straight shank integrated structure, this drill chuck delivers outstanding rigidity for reliable and stable performance. Its precision accuracy of 0.08 mm ensures clean, accurate results, making it ideal for detailed milling, fine drilling work, and tasks requiring exact alignment. **Effortless Keyless Operation** Equipped with an automatic keyless tightening mechanism, this chuck eliminates the need for extra tools. Simply insert the drill bit and tighten by hand for secure clamping. The design increases clamping force with minimal effort, improving workflow efficiency and reducing setup time. **Engineered for LongLasting Durability** Manufactured from quality 40Cr steel, this chuck offers tensile strength, yield strength, and hardenability. Key parts undergo a special quenching treatment to enhance wear resistance, ensuring dependable performance even in demanding industrial environments. **Versatile Clamping Range** Wide clamping capacity from 1 mm to 13 mm accommodates a variety of drill bit sizes, making the chuck suitable for multiple applications. With a hardness rating of 40HM, it is built to withstand heavy use in different milling and drilling tasks. **Recommended Use Scenarios**: 1. Precision milling operations requiring accuracy and stability. 2. Workshop drilling tasks where quick bit changes enhance productivity. 3. Industrial production lines handling varied bit sizes for multiple machining processes. Compatibility: Suitable for milling machines, drill presses, and other tool setups accepting straight shank chucks within the specified size range. Material: 40Cr steel body with quenched key components for extended lifespan. Performance: rigidity, tight clamping, and consistent accuracy for both professional and industrial applications.