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 Since stiffness and strength are

Since stiffness and strength are critical for these applications

wastewater plants

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

The Simpson Strong-Tie HUC series offers heavy-duty

Strong-Drive® Self-Drilling X Metal Screws

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 Since stiffness and strength areBuilt 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