Universal drill bit with hex chuck by STHOR 21682 is designed for professional use - drilling in hard and untreated materials: concrete, stainless and acid-resistant steel, aluminum, ceramics and wood.

The drill is made of hardened steel with a hardness of 90-92 HRC, tungsten carbide blades show greater hardness and wear resistance. The hexagonal HEX ¼ʺ chuck allows attachment to cordless screwdrivers and impact wrenches.