CAMO 5/16-in x 6-in Black Polymer Flat -Head Exterior Structural wood screws 250 -Pack

5/16-in x 6-in Black Polymer Flat -Head Exterior Structural wood screws 250 -Pack. For fastening multi-ply beams and general construction projects. Certified IRC / IBC Code-Compliant. Superior PROTECH Ultra 4 coating for interior and exterior use. Type 17 slash point removes board material as it's driven, reducing friction and drive time. Use for fastening 4-ply roof girder, 2-ply open web floor trusses, and general construction projects. Includes T-40 bit in every package. Straight knurl above the thread reduces torque, aiding in driving speed. Underhead nibs help countersink the screw, seating it properly. Coated with our proprietary PROTECH Ultra 4 coating system which features four layers that combine to provide the ultimate corrosion protection against harsh environmental elements