Drill Chuck With SDS Adaptor
1/2"-20UNF
2.2 to 13mm
Built with anti-thrust bearing to convert hand-applied torque into superior gripping force.
Suitable for hammer drill while the impaction comes from back, not suitable for impact drivers.
Positive lock system with "clack" feature indicating that the chuck is properly tightened while rotating the front sleeve, it prevents loosing from high-vibration applications