Simpson Strong-Tie SD10212R500 - #10 x 2-1/2 Inch Strong Drive SD Connector Screws - 1/4 Inch Hex Head, Galvanized Coating, Hex Bit Included, for Construction, Home Improvement (Box of 500)
Special Features
1/4-Inch Hex Head drive reduces cam-out for easier installation
Shank is specifically designed to match the fastener holes in Simpson Strong-Tie connectors
Optimized heat treated for strength
Mechanically-galvanized coating meets ASTM B695 class 55
Connectors installed with SD screw code listed under ICC-ES ESR-3096
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