#10 x 1" Simpson Strong-Tie Phillips Flat Head Marine Screws - 316 Stainless Steel, Pkg. 1,000 Underlayment & Subfloor Screws Passivated to remove dirt and

Passivated to remove dirt and swarf

Non-Expansive Tip Design: Helps prevent cracking in close-to-edge and reduced spacing applications

Available in multiple finish options to suit interior and exterior conditions

making them an essential component for high-strength wood framing

Application: Ideal for decks

#10 x 1" Simpson Strong-Tie Phillips Flat Head Marine Screws - 316 Stainless Steel, Pkg. 1,000 Underlayment & Subfloor Screws Passivated to remove dirt andSimpson 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.