Product Description Durable 2-cutter bits with up to 20 percent more holes per charge in cordless rotary hammers. The enhanced rebar guards provide increased durability in hard aggregate and rebar. Breaker point pulverize the material more effectively resulting in faster drilling speeds. The variable flute allows for maximum debris extraction. Features a centering tip for exact spot drilling, wear mark indicator indicating when the bit No longer meets ANSI diameter requirements and a reinforced flute for durability and minimized vibration. The increased drill bit line provides ideal solution in general concrete for cordless and corded rotary hammer users. From the Manufacturer Milwaukee's 44 Magnum™ series carbide drilling bits offers a unique multi-faceted carbide insert reducing the breakage possibility when drilling through re-bar and mesh. The distinctive chisel shaped tip breaks concrete quickly for faster penetration. The four fluted spiral shaft has improved dust removal resulting in less bending stresses. Available in diameters from 5/32 inch to 5/8 inch. One per package. Also available in bulk 25 per package.