DEWALT DW5236 1/2-Inch x 12-Inch Carbide Hammer Drill Bits

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. SKU:ADIB00004RHBT