#7 x 2-1/4" Simpson Strong-Tie T15 Trim Head Deck Screw - 316 Stainless Steel, Red 01, Pkg. 1,750 MIT/HIT I-Joist & SCL Hangers the HSS4-SDS3 delivers dependable strength

the HSS4-SDS3 delivers dependable strength in demanding applications

The Simpson PROSDDM35K auto-feed Decking/Drywall Combo System makes quick work of installing decks/docks

Flexible design: #4 Roofjack size fits pipe sizes from 2-3/4" - 7"

The Simpson Strong-Tie Bugle-Head Deck Screw Square Drive is designed for fastening all types of wood decking

Deck stair construction

#7 x 2-1/4" Simpson Strong-Tie T15 Trim Head Deck Screw - 316 Stainless Steel, Red 01, Pkg. 1,750 MIT/HIT I-Joist & SCL Hangers the HSS4-SDS3 delivers dependable strengthThe 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.