China 2-13mm Keyless Drill Chuck 1 2-20UNF Self-Locking Chuck Impact Conversion Adapter Holder Electric Drill Power Screwdriver Parts

Features:
1. Self-locking function breaks the traditional locking methods, with strong clamping force, more effective in preventing the workpiece loose.
2. Unique thrust bearing makes it easy to convert the torque applied by hand into greater clamping force.
3. Good metal texture, comfortable coat surface.
4. Fit with 1/2-20UNF shank adapter.
5. Suitable for electric drill, electric screwdriver, etc.
Specification:
Clamping Range: 2-13mm
Connection Size: 1/2-20UNF
Package List:
1 * Drill Chuck