Simpson Strong-Tie #12 2-1/2" Self-Drilling Screw, Hex-Washer Head - 305 Stainless Steel, Qty. 1,000 Stainless Steel Large Diameter Concrete Screws The round base design enhances

The round base design enhances flexibility and compatibility with various roof materials

The Simpson Strong-Tie HUC series offers heavy-duty

A #2 square drive ensures secure engagement and reduces cam-out during installation

and gazebos

Simpson Strong-Tie #12 2-1/2" Self-Drilling Screw, Hex-Washer Head - 305 Stainless Steel, Qty. 1,000 Stainless Steel Large Diameter Concrete Screws The round base design enhancesBuilt for dependable fastening in corrosive environments, the Simpson Strong Tie S12250HDUM Self Drilling Hex Washer Head Screws in 305 stainless steel offer lasting strength and durability. These fasteners are engineered to drive through steel with no pre drilling, making them a time saving solution for contractors, builders, and industrial pros. Designed with a low profile hex washer head and serrated threads, these screws deliver high holding power