1-1/8" X 17" X 22" 2 Cutter Spline Shank Rotary HaMMer Bit (Discontinued)

With a carbide tip to extend bit life and a U-flute to clean debris while you work, DEWALT Spline Masonry Drill bits deliver quick, efficient drilling. A hardened core helps to reduce bit breakage, and an open-head design channels dust into flutes for fast drilling.