U2 Fasteners Universal Screws #10 X 3-1/2" 1200pc Box

Universal uses: Suitable for decking, framing, sub-floors, fencing, lattice, shelving, railings, stairs, fine woodworking, lateral bracing, concrete forms, and more. Ideal for wood, particle board, decking, sheet metal, fiber cement boards, melamine, and beyond.

It is hexavalent chromium (CR6+) free and complies with the strictest standards governing chemical substances