DeWALT DW5235B10 Drill Bit, 1/2 in Dia, 6 in OAL, Spiral Flute, 4-Flute, 1/4 in Dia Shank, 3-Flat Shank

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 four-flute design that cleans debris while you work. Three flats on the shank eliminate bit slippage.