Black&Decker BLD782E1K

The Milwaukee Red Helix Cobalt 1/8 in. Drill Bit are engineered for extreme durability and longer life in hard metal applications. The Milwaukee Cobalt drill bits are designed with a Variable Helix th more→at includes an aggressive 35 degree Helix Angle which ends at 15 degree. The 135 degree split point tip delivers a precision start and prevents walking for fast, accurate holes in hard metals, PVC and wood. The tapered drill bits feature a new enhanced tapered web that strengthens the bit's core to increase flute durability. The cobalt twist drill bits are ideal for tough applications, providing up to 15X life vs. black oxide brill bits

Milwaukee M/2 2-Cutter SDS-Plus Rotary Hammer Drill bits are the Most Durable 2-Cutter bits with up to 20 percentage more holes per charge in cordless rotary hammers. The enhanced rebar guards provide more→increased durability in hard aggregate and rebar. The variable flute allows for maximum debris extraction leading to up 20 percentage 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 Speedbor MAX Speed Bits features three cutting spurs for faster, cleaner holes, less breakout, and extended drilling life