#6 x 1" Simpson Strong-Tie Phillips Flat Head Marine Screw - 316 Stainless Steel, Pkg. 1,000 LCC/CCOS Lally/Steel Column Caps this screw features underhead nibs

this screw features underhead nibs and a Type 17 fast-start point that drive easily and countersink smoothly into wood deck boards

Manufactured from durable steel and protected with a G90 galvanized finish

as well as cold-formed steel joists in commercial applications

The Simpson BA Beam Hangers provide exceptional load-bearing capacity for beam-to-beam and girder-to-girder connections

leak-free seal

#6 x 1" Simpson Strong-Tie Phillips Flat Head Marine Screw - 316 Stainless Steel, Pkg. 1,000 LCC/CCOS Lally/Steel Column Caps this screw features underhead nibsSimpson 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.