5/16 In. X 6-3/4 In. Star Drive Flat Head Multi-Purpose + Multi-Ply Structural W
Code-compliant and exterior-coated, CAMO 5/16 in. Multi-Ply Screws hold strong and finish flush in a variety of applications. Our 6-3/4 in. multi-ply screw is specifically designed to fasten 4-ply roof engineered beams, no pre-drilling required.