General description This HiKOKI Chuck & Key is an industrial-quality tool designed for high performance and durability. It features fully hardened and ground components, ensuring exceptional accuracy and gripping power during drilling tasks. Technical specifications Capacity: 13mm Thread size: 1/2 x 20 UNF Compatibility and accessories Compatible with drills that accept a 13mm chuck with 1/2 x 20 UNF thread Includes one chuck and one key for tightening and loosening Installation Attach the chuck to the drill's spindle by aligning the thread and tightening securely with the included key Usage Insert the drill bit into the chuck and tighten using the key for a secure grip Ensure the chuck is properly attached before operation for safety and optimal performance