Simpson Strong-Tie T07300FB1 Trim-Head Screw, Square Drive — #7 x 3 in. #1 SQ, Type 316 (1 lb.)

Trim-Head decking screws are available in stainless steel for superior corrosion resistance in marine or high-exposure environments where PVC or composite decks are installed. Trim-Head screws provide a clean finish because of their special head design. Also available in bulk 6-lobe drive stainless steel (with painted heads) for hand-drive applications, as well as collated square drive versions (with and without painted heads) for Quik Drive® auto-feed screw driving systems.