Simpson Strong-Tie #12 x 2" Self-Drilling Screw with Wings, Flat Head - 410 Stainless Steel, Qty. 100 Blue Concrete Screws Heavy-Duty Reinforcement: Designed to strengthen

Heavy-Duty Reinforcement: Designed to strengthen 90-degree wood connections in structural framing applications

and other sheathing products to steel up to 16 gauge

concealed appearance for connecting 6x10 beams to headers and ledgers

The Simpson Strong-Tie Crimp Drive anchor is an easy-to-install expansion anchor for use in concrete and grout-filled block

making them suitable for indoor and protected outdoor environments

Simpson Strong-Tie #12 x 2" Self-Drilling Screw with Wings, Flat Head - 410 Stainless Steel, Qty. 100 Blue Concrete Screws Heavy-Duty Reinforcement: Designed to strengthenWhen you need to fasten wood, plywood or fiber cement board directly to steel framing without pre drilling, this Simpson Strong Tie F12C200FDC Self Drilling Flat Head Screw With Wings delivers the performance you expect. Wings create a clearance hole in the top material so the shank will not ride up, then break off as the drill point engages steel. The flat countersunk head offers a clean, flush finish and the full length machine screw threads provide