DeWALT DCF840E1

Milwaukee M/2 2-Cutter SDS-Plus Rotary Hammer Drill bits are the most durable 2-cutter bits with up to 20 percent more holes per charge in cordless rotary hammers. The enhanced rebar guards provide in more→creased 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 leading to up 20 percent more holes per charge in cordless rotary hammer while making it a very durable bit in corded and cordless rotary hammers. The increased life and efficiency of the M/2 2-cutter drill bit line provides the ideal solution in general concrete for cordless and corded rotary hammer users.…

Irwin Rotary Drill Bits with Slow Spiral Flute is made with tungsten carbide tip for durability in concrete and brick. Rotary slow spiral masonry bit. Bits 7/16 in. and larger have reduced shanks.

Diablo's installer drill bits offer premium performance and superior life in wire installation projects. An ultra-sharp tip maximizes durability for fast, straight holes in clean wood or stacked lumbe more→r. The small hole in flute for easily pulling wires and cables through walls, ceilings and floors.