#7 x 2-1/4" Simpson Strong-Tie T15 Trim Head Deck Screw - 316 Stainless Steel, Tan 03, Pkg. 1,750 HLPC Heavy Angles Stainless Steel nails are recommended

Stainless Steel nails are recommended for construction of permanent wood foundations by the ANSI/AF&PA Permanent Wood Foundations Design Specifications

secure attachment

This product is intended for use with 8x posts but is also available in other sizes

650" washer head - distributes load and resists pull-through on heavy timber

compacted soil and follow Simpson Strong-Tie installation recommendations

#7 x 2-1/4" Simpson Strong-Tie T15 Trim Head Deck Screw - 316 Stainless Steel, Tan 03, Pkg. 1,750 HLPC Heavy Angles Stainless Steel nails are recommendedThe 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.