#12 x 3-1/2" Simpson Strong-Tie DWP T27 Flat Head Wood Screw - 305 Stainless Steel, Pkg 5 lb Stainless Steel Large Diameter Concrete Screws while the winged self-drilling point

while the winged self-drilling point drills directly into metal

The Bolthold CG40 hi thrust caulk gun pairs with this cartridge for best results

The Flat Cross Plate Fittings use 9/16" punched holes

hassle-free installations

#12 x 3-1/2" Simpson Strong-Tie DWP T27 Flat Head Wood Screw - 305 Stainless Steel, Pkg 5 lb Stainless Steel Large Diameter Concrete Screws while the winged self-drilling pointThe Simpson Strong Drive DWP Wood SS screw is a powerful, load rated fastening solution for deck, dock and general exterior applications where extra corrosion protection and load specifications are required. The #12 and #14 Strong Drive DWP Wood SS flat head screws are structural fasteners that have been tested in accordance with ICC ES acceptance criteria AC233 and are load rated for shear, pull through and withdrawal resistance. With its specially