DEWALT Drill Bit, High Impact, 4 Cutter, SDS Max, 1-3/8-Inch X 24-Inch X 29-Inch

SDS Max High Impact Carbide 4 Cutter Drill Bits are manufactured with IRON BLAST TECHNOLOGY, a process that strengthens the wood drill bit to resist fatigue and results in extreme durability. The redesigned, 4-cutter carbide head offers 2 times longer life and even stands up to rebar strikes. If you have our bits, we have your back.