#10 x 1" Simpson Strong-Tie Phillips Flat Head Marine Screws - 316 Stainless Steel, Pkg. 1,000 Underlayment & Subfloor Screws Available in multiple finish options

Available in multiple finish options to suit interior and exterior conditions

and follow Simpson Strong-Tie installation guidelines and local building code requirements

the HUSTF hangers provide exceptional corrosion resistance

finished appearance

#10 x 1" Simpson Strong-Tie Phillips Flat Head Marine Screws - 316 Stainless Steel, Pkg. 1,000 Underlayment & Subfloor Screws Available in multiple finish optionsSimpson Strong Tie Marine Flat Head Screws are designed to fasten securely into fiberglass, plywood, and other wood substitute materials. Built to perform in harsh marine and chemically caustic environments with maximum corrosion resistance, these screws deliver strength and reliability where other fasteners fail. The flat head design ensures a smooth, flush surface finish, making them ideal for demanding applications above or below the waterline.