#9 x 2-1/2 in. Strong-Drive® SD Hex-Washer-Head Coarse-Thread Sharp-Point Mechanically-Galvanized Structural Connector Screws (100 Pack) | SIM-SD9212R100-R

Simpson Strong-Tie's designed the #9 x 2-1/2 in. Strong-Drive SD Structural Connector Screws for optimal performance with Simpson hangers, straps, and holdowns, ensuring code-compliant fastener compatibility. The large low-profile head provides a clean finish while maximizing bearing area against metal hardware. Ideal for structural wood connections, these screws meet the IBC and IRC code standards and are fully load rated when installed as specified. Used in framing, retrofitting, or fastening to engineered wood products.

• Designed to replace nails in certain Simpson Strong-Tie connectors and is the only screw approved for that application
• The galvanized coating makes the SD screw ideal for interior and most exterior conditions
• Tested and approved for use in many of our most popular connectors for both interior and exterior applications
• Ideal for use in connector applications where more control is desired or using a hammer is inconvenient
• The integrated washer is stamped with the Simpson Strong-Tie "≠" sign and the fastener size for easy identification after installation