Description
1 2" x 6" Simpson Straight Shank Masonry Drill Bit Carbide Tip, Pkg 25 Masonry Screws Column Size: Intended for use Column Size: Intended for use with 4 inch diameter lally columns and Quad 2x10 12 girders Drill a hole using the specified diameter carbide bit into the base material to a depth of at least 1 2" deeper than the required embedment