The Max Shank four-cutter drill bit is designed for use with rotary hammer drills. It has a hardened core that resists breaking, rock-hard carbide cutter head, and a helix four-flute design that quickly removes dust and debris. Use this commercial-grade bit to bore through rock, concrete, and other masonry materials. The four cutter head increases life, durability and improves material removal.Rock carbide tip maximizes carbide surface contact for longer bit lifeOpen head design channels dust into flutes for quicker drillingLonger helix four flute design expedites mill removal for quicker drillingFor use with all brands of SDS max rotary hammersUsed for drilling holes in poured concrete and other masonry
