#10 x 3-1/2" Simpson Strong-Tie DWP T25 Flat Head Wood Screw - 305 Stainless Steel, Pkg. 1,000 Quik Drive Roofing Tile Systems By countersinking beneath the work

By countersinking beneath the work surface

Use all Specified Fasteners

Double Channel Post Base 2-Level - Electro-Galvanized is a post base designed to fasten Strut Channel to the floor

reliable hold—even in dense or treated lumber

The large shoulder under the head helps resist pull-through

#10 x 3-1/2" Simpson Strong-Tie DWP T25 Flat Head Wood Screw - 305 Stainless Steel, Pkg. 1,000 Quik Drive Roofing Tile Systems By countersinking beneath the workSimpson Strong Tie DWP Flat Head Screws are built for strength, reliability, and clean finishes in decking, trim, and general exterior wood applications. Made from 305 stainless steel for maximum dependable outdoor corrosion resistance, these screws perform in harsh environments and with treated lumber. The flat head design allows the screw to countersink for a flush fit, providing a smooth, professional look. With a Type 17 point, installation is