#8 x 1-1/4" Simpson Strong-Tie Phillips Flat Head Marine Screw - 316 Stainless Steel, Pkg. 100 MSTAM/MSTCM Medium Masonry Strap Ties The innovative overlapping sleeve design

The innovative overlapping sleeve design encapsulates the post

concealed connection between a header/post and a beam

Floor Joist Connections: Provides a secure

Not intended for use with I-joists or welded applications

The square-drive recess minimizes cam-out for secure driving

#8 x 1-1/4" Simpson Strong-Tie Phillips Flat Head Marine Screw - 316 Stainless Steel, Pkg. 100 MSTAM/MSTCM Medium Masonry Strap Ties The innovative overlapping sleeve designSimpson 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.