- Suitable for box column drills and hand-operated drills.
- Self-tightening flat jaw drill chuck.
-Concentricity of up to 0.17 mm
- Increase in the clamping force proportional to the cutting force by the automatic reclamping function
- Easy and quick clamping of tools for maximum user-friendliness
- Strong retaining ring
- All components made from steel
- Hardened and super finished
- Only suitable for clockwise rotation