Prima I Key Type Drill Chuck Impact-resistant key-type drill chuck. Conical/threaded mount with DIN ISO 10887 (toothing in acc. with DIN 6349). Prima I for use on stationary drills and machine tools Features • For clockwise and counterclockwise rotation. • Thread or taper mount for maximum drive force and precision • Increased clamping force due to proven transmission principle from sprocket and drill chuck key • Universally applicable for stationary box column drills, machine tools • High concentricity of up to 0.15 mm
