DeWalt® DW5819 - 1" x 21-1/2" High Impact 4 Cutter Carbide Drill Bits, SDS Max Shank, Rock Carbide™ Tip, 4 Flute Design, 16" Usable Length

SDS Max High Impact Carbide 4 Cutter Drill Bits are manufactured with IRON BLAST TECHNOLOGY™, a process that strengthens the bit to resist fatigue and results in extreme durability. The redesigned, 4-cutter carbide head offers 2X longer life* and even stands up to rebar strikes. These 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.