Enhance your drilling precision and efficiency with this high-quality Drill Chuck, designed for secure and reliable tool attachment. Featuring a clamping range of 3-16mm (0.12-0.63 inches), this drill chuck is compatible with various drill bits, making it a versatile addition to your toolkit. The 1/2-20UNF screw hole at the back ensures easy installation and compatibility with a wide range of power tools. Key Features: · High-Accuracy Thread and Tapered Holes: Ensures a tight and secure attachment to your tool, minimizing slippage and improving drilling accuracy. · Durable Anti-Rust Housing: Treated with electrophoretic paint, the chuck resists rust and corrosion even in harsh working environments, extending its lifespan. · Superior Gripping Power: Equipped with an anti-thrust bearing that converts key-applied torsion into enhanced gripping force for reliable bit retention. · Wear-Resistant Clamping Jaws: Specially treated jaws provide increased durability and long-lasting performance under frequent use. · Versatile Clamping Range: Supports drill bits from 3mm to 16mm (0.12 to 0.63 inches), suitable for a wide variety of drilling tasks. · Standard Screw Hole: Features a 1/2-20UNF threaded hole for easy mounting on compatible drills and adapters. Specifications: · Clamping Range: 3-16mm / 0.12-0.63 inches · Screw Hole: 1/2-20UNF Package Includes: · 1 x Drill Chuck · 1 x Key · 1 x 1/4 Hex Head Adapter This Drill Chuck combines precision engineering with durable materials to provide a dependable and rust-resistant solution for your drilling needs. Whether for professional or DIY projects, its robust construction and superior gripping mechanism ensure optimal performance and longevity. Please note that either the new or old type of this product will be shipped randomly.