DEWALT DEWALT DW5424 5/16-Inch by 4-Inch by 6-Inch ROCK CARBIDE SDS Plus Hammer Bit

Product Description Bit has elongated four flute Helix for faster material removal and three flats on the shank that prevent it from slipping back into the chuck. Used for drilling small holes in masonry, concrete, rock and artificial Stone. From the Manufacturer DEWALT DW5424 5/16-Inch x 4-Inch x 6-Inch ROCK CARBIDE SDS Plus Hammer Bit