The large shoulder under the head helps resist pull-through
By countersinking beneath the work surface
5HDG pre-deflected holdown is installed with Simpson Strong-Drive SDS heavy duty connector screws which are included with the holdown
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
#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 The large shoulder under theSimpson 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