Alpen X1 HSS Sprint Master Sleeved DIN338 Drill Bit, 4 mm Diameter

Made from high-quality hss steel and feature a partial hardening of the flute length, making them both tough and precise Extra sharp cutting edges and a diameter diminution, which allows them to cut through alloyed carbon and plain steel quickly and easily Drills are lightweight and have an increased center web, making them ideal for use in hand-held drills Designed for fast and efficient drilling, even in the most challenging materials Designed to withstand the rigors of everyday use