Bosch Bulldog HC2167 Hammer Drill Bit 1 in Dia 18 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.