Enhance your drilling projects with this high-performance Drill Chuck Kit, designed for precision, durability, and ease of use. Crafted from premium 45 steel, this drill chuck offers exceptional hardness, strength, wear resistance, and oxidation resistance, ensuring long-lasting reliability in demanding work environments. The 3-jaw chuck design with a key enables quick replacement and secure locking of drill bits, preventing loosening during operation for improved safety and efficiency. Key Features: · Durable 45 Steel Construction: Provides high hardness and strength with excellent wear and oxidation resistance for extended service life. · 3-Jaw Chuck with Key: Allows fast and easy drill bit changes while securely locking bits in place to prevent slippage during use. · Wide Clamping Range: Accommodates drill bits from 3mm to 16mm (0.12 to 0.63 inches), offering versatility for various drilling tasks. · Standard 1/2 Inch Thread Connection: Compatible with most rotary drills, impact drivers, and drilling machines featuring a 1/2-20UNF thread for stable and reliable installation. · Connecting Rod Included: Features a 12.7mm (1/2 inch) thread with a 4 pit shank, ensuring secure attachment and enhanced stability during operation. Specifications: · Material: 45 Steel · Drill Chuck Clamping Size: Approx. 3-16mm (0.12-0.63in) · Drill Chuck Connection Thread: 12.7mm (1/2 inch) · Connecting Rod Diameter: 12.7mm (1/2 inch) Thread · Shank Type: 4 Pit Shank Package Includes: · 1 x Drill Chuck Kit This Drill Chuck Kit is an essential accessory for professionals and DIY enthusiasts seeking a reliable and versatile chuck solution. Its robust steel construction, wide clamping range, and compatibility with various power tools make it ideal for enhancing your drilling efficiency and precision.