DeWALT DW5221 Hammer Drill Bit, 1/8 in Dia, 3 in OAL, Percussion, 4-Flute, 1/8 in Dia Shank, Flat Sh

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. Three flats on the shank eliminate bit slippage.