The load‑rated Strong‑Drive SD Connector SS screw (SD SS) is a Type 316 stainless steel fastener designed, tested and approved for use with certain Simpson Strong‑Tie stainless steel connectors. Type 316 stainless steel provides excellent protection in severe corrosion environments.

The SD SS screws have a 1/4" (6.35mm) hex head with a large integrated washer, and are stamped with the Simpson Strong‑Tie “≠” logo and fastener size for easy identification after installation.