Rapid clamping drill chucks (high precision design) APPLICATION Especially suitable on machine tools, box column drills and drilling machines. TYPE Self-clamping flat jaw drill chuck with metal sleeve. Industrial design with maximum precision. CUSTOMER BENEFITS © Highest concentricity of up to 0.05 mm © Increase in the clamping force proportional to the cutting force by the automatic reclamping function © Conical mount for maximum driving force and precision TECHNICAL FEATURES - Strong retaining ring - Functional components made from steel A03 SPIRO-I for machine tools, box column drills and drilling machines