Black&Decker XTC12IK

While most screw driving bits are simply compatible with impact drills and drivers, Irwin Impact Performance Series fastener drive bits are engineered for maximum durability and long life with impact more→drivers. These bits are forged rather than milled, so they fit fasteners more precisely, which reduces stripping and increases the life of the bit itself - Irwin's Impact Performance Series bits have three times longer life than traditional bits.

IRWIN General Purpose High Speed Steel Bit is constructed of M-2 high speed steel for the best combination of strength, heat resistance, and wear resistance

Diablo's SPEEDemo Red Granite Carbide Tipped Hammer Drill Bit range provides one of the fastest and longest lasting drilling solutions on the market for concrete, masonry and stone. Optimized with a u more→nique brazing and hardening process, the carbide tip extends life and productivity, allowing users to drill fast, accurate holes. The multi-ground Grip Point tip design allows for aggressive starts that produce clean, fast holes. This range is Impact Strong for increased shank stability and durability in cordless and corded impact and drill drivers.