Simpson Strong-Tie #12 x 2" Self-Drilling Screw with Wings, Flat Head - 410 Stainless Steel, Qty. 1,000 Type 304 Stainless Steel Wedge Anchors Use Type 316 Stainless Steel

Use Type 316 Stainless Steel nails or fasteners to maintain corrosion resistance

If you have a nominal post measuring 3-1/2x5-1/2" you will need an ABU46Z Post base

Drill point tip penetrates 22 to 18-gauge steel without predrilling

Deck-Drive DSV Wood Screws

the Daggerz Self-Drilling Metal Screw with Hex Head and Dagger-Guard Coating delivers

Simpson Strong-Tie #12 x 2" Self-Drilling Screw with Wings, Flat Head - 410 Stainless Steel, Qty. 1,000 Type 304 Stainless Steel Wedge Anchors Use Type 316 Stainless SteelWhen you need to fasten wood, plywood or fiber cement board directly to steel framing without pre drilling, this Simpson Strong Tie F12C200FDM 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