Dewalt Guaranteed Tough DW5446B10 Hammer Drill Bit, Fractional Drill Size: 5/8 Inch, Carbide Tip, Flute Length: 6 Inch, Number of Flutes: 4, Shank Type: SDS Plus, Shank Diameter: 5/8 Inch, Shank Length: 4 Inch, Overall Length: 8 Inch For Additional Product Information, Click Here