DeWALT DW5812 High-Impact Drill Bit, 3/4 in Dia, 21-1/2 in OAL, Spiral Flute, 4-Flute, 45/64 in Dia Shank

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®.