SUPRA-I Heavy industrial drill chucks for drilling machines and and-operated drills Features Rapid clamping and releasing of the drilling Tools without key. Self-clamping flat jaw drill chuck with metal sleeve. Highest concentricity of up to 0.12 mm Increase in the clamping force proportional to the cutting force by the automatic re-clamping function Easy and quick clamping of tools Strong retaining ring Functional components made from steel
