DEWALT DW5229 Hammer Drill Bit, 5/16 in Dia, 12 in OAL, Percussion, 4-Flute, 5/16 in Dia Shank, Flat Shank paint--07-13-26 Helps prevent heat and cooling

Helps prevent heat and cooling loss

Cushion-grip handle

For roofing

construction-grade sealant waterproofs

DEWALT DW5229 Hammer Drill Bit, 5/16 in Dia, 12 in OAL, Percussion, 4-Flute, 5/16 in Dia Shank, Flat Shank paint--07-13-26 Helps prevent heat and coolingPower 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. Two cutter carbide tip maximizes carbide surface contact for longer bit life Three flats on shank eliminate bit slipping in chuck Four flute design cleans debris out for fast, efficient