SK drill chuck SUPRA-SK

self-tighteningthreadwith rapid coupling

• Impact-resistant and self-tightening flat jaw drill chuck. • Also suitable for counterclockwise rotation by radial locking. • Strong retaining ring • Hardened and superfinished • Suitable for counterclockwise rotation up to maximal 15 Nm For extreme use on hand-operated percussion drills and drills up to 1300 watt with mounting thread or conical mount. • Concentricity of up to 0.25 mm • Increase in the clamping force proportional to the cutting force by automatic retightening function and no releasing in counterclockwise rotation • Impact-resistant by radial locking for universal use