Bosch Speed-X HC4050 Hammer Drill Bit, 1 in Dia, 13 in OAL, Spiral Flute, 2-Flute, Spline Shank

Bosch Brings constant innovation to concrete and masonry drilling. Bosch developed custom-manufactured carbide and diffusion bonding technology to provide better performance and durability. Speed-X combines the life and durability you expect with the fastest hammer carbide drilling speed ever and performs even better than any other bit in precision anchoring and drilling applications.