Simpson Strong-Tie #12 x 2" Self-Drilling Screw with Wings, Flat Head - 410 Stainless Steel, Qty. 2,500 Cedar Trim Nails this Simpson Strong-Tie F12C250FDM Self-Drilling

this Simpson Strong-Tie F12C250FDM Self-Drilling Flat Head Screw With Wings delivers the performance you expect

and other outdoor structures without the need for complicated concrete work

these screws are engineered to perform in real-world outdoor conditions

Versatile compatibility: Suitable for metal roofs and other roofing materials

Designed for structural and general framing applications

Simpson Strong-Tie #12 x 2" Self-Drilling Screw with Wings, Flat Head - 410 Stainless Steel, Qty. 2,500 Cedar Trim Nails this Simpson Strong-Tie F12C250FDM Self-DrillingWhen you need to fasten wood, plywood or fiber cement board directly to steel framing without pre drilling, this Simpson Strong Tie F12C200FDB 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