Drill bit made of hardened carbon steel (45#), with a hardness of 45°HRC (+/-2°), with a self-centering threaded pilot, a special tip, and a cutting SA spur. Milled drill bit with a ground and high-performance right-handed LEWIS helix, and a hexagonal (HEX) shank for mounting in a 3-jaw drill chuck. The drill enables fast, accurate, pinpoint, and splinter-free drilling of holes. Designed for industrial use using hand and machine drills, for drilling in natural soft and hard wood (dry and damp wood), plywood, veneered wood boards, plasterboard and other wooden building materials. Do not use with the drill's impact mode engaged. Diameter [mm]: 182 Length [mm]: 460 EAN: 5900171544189