DeWalt 5/16 in. X 6 in. L Carbide Tipped Percussion Drill Bit 3-Flat Shank 1 pc

Power through masonry, concrete, rock, and more with DEWALT Hammer Drill Bits. Featuring rock carbide tips that maximize surface contact for extended bit life and a 4-flute design that cleans debris while you work. 3 flats on the shank eliminate bit slippage.