Dedra DED7042

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 Turbomax High Speed Steel Straight Shank Jobber Length Drill Bits features revolutionary tip design stays sharper longer and drills up to 10x faster than other leading drill bits

The Milwaukee 4-pc tile and natural stone drill bit set to deliver up to 2x life in granite, stone, ceramic tile, and glass. Hammer mode capability provides faster drilling speeds when drilling natura more→l stone tiles, like granite and marble. Equipped with an aggressive 8-grind carbide head, these bits deliver up to 20% faster drilling. These bits feature reinforced tips that protect the carbide head. Milwaukee tile and natural stone drill bits can be used in drill-only mode or hammer drill mode and we don't recommend them for porcelain tile.