#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

The LSTHD8 installs by securing the strap to the wall stud assembly and anchoring the holdown to the supporting foundation or framing member using approved fasteners and anchor bolts per Simpson Strong-Tie installation guidelines

Floor Joists & Ceiling Framing: Ensures secure joist connections in residential and commercial construction

making them an essential component for high-strength wood framing

Passivated to remove dirt and swarf

#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.