General description This is a quick-release drill chuck from the Supra series, designed for efficient and secure bit holding. It features an internal thread and a self-tightening mechanism that is suitable for right-hand rotation only. The chuck allows for fast and easy bit changes, making it ideal for various drilling tasks. Technical specifications Connection: 3/8" x 24 Outer diameter: 42.5 mm Overall diameter: 40.2 mm Closed length: 83.6 mm Clamping range: 1.0 - 13 mm Suitable for machine use Compatibility and accessories Compatible with drills and machines that accept 3/8" x 24 threaded chucks Installation Install the chuck onto the machine's spindle by screwing it onto the internal thread Ensure it is securely tightened before use Usage Designed for quick and secure holding of drill bits within the specified clamping range Only suitable for right-hand rotation