Key Type Drill Chuck with Round Handle Adapter This precisionengineered drill chuck is designed to deliver reliable performance in demanding work environments. Built for compatibility, durability, and accuracy, it offers secure grip and longlasting functionality for a wide range of drilling applications. Key Features and Benefits: Durable electrophoretic paint housing provides exceptional resistance to rust and corrosion, even in harsh working conditions. 1/220 UNF thread and tapered hole design ensure a precise, tight fit to your drill, preventing slippage during operation. Specially treated clamping jaws offer wear resistance, extending the service life of the chuck. 316 mm clamping capacity allows secure fastening of drill bits from 3 mm to 16 mm in diameter, providing versatility for different tasks. 1/220 UNF screw hole at the rear of the chuck enables secure attachment to compatible drills, electric hammers, and other power tools. Specifications: Model: Key Type Drill Chuck with Round Handle Adapter Thread Size: 1/220 UNF Clamping Range: 3 mm to 16 mm Material: Steel with electrophoretic paint coating Adapter Type: Round handle adapter Practical Applications: 1. Metalworking – Securely hold drill bits for precision hole drilling in steel, aluminum, and other metals without loosening during continuous use. 2. Woodworking – Ideal for carpentry and furnituremaking tasks requiring accurate bit positioning and stable performance. 3. Construction – for attaching to electric hammers or compatible drills when working on masonry, concrete, or composite materials. This drill chuck with round handle adapter is built to minimize wear, resist corrosion, and maintain a firm hold on drill bits for consistent, accurate results in professional and DIY projects alike.