Simpson Strong-Tie Masonry Screw Drill, Series: Titen, 3/16 in Drill Bit, 6 in Overall Length, 3-1/8 in Cutting Depth, Parabolic Flute, 3-1/8 in Flute Length, SDS-Plus Shank, Centering Point, Carbide Cutting Edge, Chromium Nickel Molybdenum Steel Alloy, Applicable Materials: Concrete, Masonry, Brick and Block