ARTU Drill Bit, Multi-Purpose, 5/16 in Diameter, Parabolic Flute, 2-3/4 in Flute Length, Quick-Connect Shank, 1-3/4 in Shank Length, Cobalt/Tungsten Carbide Cutting Edge, Chrome Vanadium Steel, 4-1/2 in Overall Length, Applicable Materials: Brick, Cast Metal, Ceramic Tiles, Concrete, Fiberglass, Glass, Granite, Hardened Steel, Hardwood, Marble, Masonry, Plexiglas, PVC, Softwood, Suitable for: Cordless Drills, Corded Drills, Drill Presses
