500ctSimpsonLag1-1/2

Key Features

• 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.
• 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.
• 1/4" hex head with 0.37"-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.

Mechanically galvanized coating meets ASTM B695 Class 55, is recommended for use with certain preservative-treated woods and recognized as an alternate to hot-dip galvanized in ESR-3046; it is compliant with the 2012 International Residential Code^®.

Applications

• Simpson Strong‑Tie connectors