Secure Drill Bit Clamping - The Keyed Drill Chuck is a simple and reliable solution for fixing drill bits for any type of job. It provides a consistently strong clamping force that securely fastens cylindrical or hex shank drill bits. Its jaws are conveniently tightened and loosened with a key, making it easy to handle. Keyed drill chucks are available with different mounts (1/2" - 20, 3/8"- 24, 5/8" - 16, B16, and SDS plus), for a wide range of capacities and are compatible with most common drills. Check technical details for information regarding impact resistance or suitability for anti-clockwise rotation. Features and Benefits • Secure Drill Bit Clamping for Any Job • Keyed Drill Chuck is a simple and reliable solution for fixing drill bits for any type of job • Consistently strong clamping force that securely fastens cylindrical or hex shank drill bits Specifications Chuck capacity: 3.0–16.0mm Mount, range: 5/8" – 16 Illustration, No.: 1 Drill chuck, type: Keyed chuck