DEWALT DW5231 Hammer Drill Bit, 3/8 in Dia, 12 in OAL, Percussion, Spiral Flute, 4-Flute, 3/8 in Dia Shank, 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 4-flute design that cleans debris while you work. Three flats on the shank eliminate bit slippage.