#7 x 2-1/4" Simpson Strong-Tie T15 Trim Head Deck Screw - 316 Stainless Steel, Gray 03, Pkg. 70 Adjustable Porch Post Bases and minimal installation torque

and minimal installation torque

Its hex washer head provides strong clamping force with a flush finish

use 16d x 2 1/2" (Simpson Strong-Tie® N16) nails into the header and 16d commons into the joist with no load reduction

The Simpson CCO4

The carbon steel construction ensures strength

#7 x 2-1/4" Simpson Strong-Tie T15 Trim Head Deck Screw - 316 Stainless Steel, Gray 03, Pkg. 70 Adjustable Porch Post Bases and minimal installation torqueThe Simpson Strong Tie Trim Head Decking Screw is designed for PVC and composite decking projects where corrosion resistance and appearance matter most. Made from 316 stainless steel for lasting durability, these screws perform reliably in marine or high exposure environments. Painted head options in 13 colors are matched to leading decking brands for a seamless, concealed finish. For a full reference, see the Composite Decking Color Matching Guide.