Bosch Bulldog HC2122 Rotary Hammer Drill Bit, 3/4 in Dia, 8 in OAL, Optimized Flute, 4-Flute, 25/64 in Dia Shank

Carbide tipped for long life in tough applications. Centric tip ensures quick starts in concrete. Wear mark alerts user when tip wears beyond ANSI specification. Bit runs cooler thanks to improved flute design.