1/2 in. x 16 in. x 21 in. Spline Speed-X Carbide Rotary Hammer Bit for Concrete and Masonry Drilling

Bosch HC4512 Spline rotary hammer bits are carbide tipped and fit Bosch as well as other spline hammers. Speed-X combines the life and durability you expect with the fastest hammer carbide drilling speed ever. It performs even better than any other bit in precision anchoring and deep drilling applications.