Simpson Strong-Tie® Strong-Drive structural fasteners are engineered and extensively tested to meet the needs of the most demanding wood-to-metal applications. Strong-Drive XL Large-Head Metal screws are load tested and code listed, so you can trust that you are getting the load values you need for your application. These screws are the perfect choice when high shear or uplift resistance is required and are an excellent 1-for-1 replacement for pins. Strong-Drive® XL LARGE-HEAD METAL Screw — #12 x 1-1/4 in. 5/16 Hex (250-Qty) (Pack of 336).