DEWALT Drill Bit, High Impact, 4 Cutter, Sds Max , 7/8-Inch X 31-Inch X 36-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. These drill bits are made in Germany and are GUARANTEED TOUGH - so tough that we are offering a NO BREAK GUARANTEE. If you have our bits, we have your back.