Simpson Strong-Tie #12 1-1/4" Self-Drilling Screw, Hex-Washer Head - 305 Stainless Steel, Qty. 100 Stainless Steel Self-Drilling Screws the screw includes a bugle

the screw includes a bugle head that countersinks flush in softer materials and a secure square-drive recess that minimizes cam-out

Electrical and mechanical supports

The Simpson Strong-Tie® Strong-Drive® SDCFC Timber-CFC Screw is built tough for wood projects like mass timber

The Simpson ECCQ46SDS2

Simpson Strong-Tie #12 1-1/4" Self-Drilling Screw, Hex-Washer Head - 305 Stainless Steel, Qty. 100 Stainless Steel Self-Drilling Screws the screw includes a bugleBuilt for dependable fastening in corrosive environments, the Simpson Strong Tie S12125HDUC 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