#9x 2-1/2" Strong-Drive® SD 1/4" Hex Drive Connector Screw, Galvanized (100/BX)

The Strong-Drive SD Connector screw is specifically designed to replace nails in certain Simpson Strong-Tie connectors and is the only screw approved for that application.

• The #9 and #10 SD screws replace 10d and 16d nails, respectively.
• Galvanized coating makes them ideal for interior and most exterior conditions.
• Ideal for use in connector applications where more control is desired or using a hammer is inconvenient.
• 1/4" hex head with 0.370"-dia. integrated washer is stamped with the Simpson Strong-Tie "≠" sign and the fastener size for easy identification after installation.
• Shank is specifically designed to match the fastener holes in Simpson Strong-Tie connectors.
• Optimized heat treating for ductility and strength.
• The single-fastener load capacity of the SD9 exceeds the capacity of a 10d common nail, while the single-fastener load capacity of the SD10 exceeds that of the 16d common nail.
• Hex driver included.