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 Designed for use in cracked

Designed for use in cracked and uncracked concrete

The Simpson Strong-Tie HUC series offers heavy-duty

The HCJTZ features a unique shape that allows installers to insert the connector into the end of the beam without a visible slot cut into the bottom of the beam

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

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 Designed for use in crackedBuilt 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