Bosch Speed-X™ Rotary Hammer Drill Bit, 5/8 in, 13 in OAL, 8 in Cutting Depth, 2 Flutes, Spiral Flute, 8 in Flute Length, SDS-Max Shank, Centric Point, Right Hand Cutting, Carbide Cutting Edge, Steel, Applicable Materials: Concrete, Brick, Stone and Other MasonryBosch Carbide Rotary Hammer Bits Feature Tips That Stay Sharper Longer and Deliver More Holes Within Specification Than Competitive Bits. Manufactured to ANSI Specification B212.14. SDS-Max® Rotary Hammer Bits Fit Bosch SDS-Max® Hammers and Competitive SDS-Max® Drive Hammers and Hilti® Hammers Using Te-Y and Te-Fy Shanks. Unrivaled Power From Solid Carbide Head with Robust S-Cutter Design For Added Speed and Life. Bosch Speed-X™ HC5020 Rotary Hammer Drill Bit, 5/8 in, SDS-Max Shank, 8 in D Cutting, 13 in OAL