Simpson Structural Screws SD9212R100 No.9 by 2-1/2-Inch Structural-Connector Screw, 100-Pack

Brand Simpson Structural Screws Model SD9212R100 1/4-Inch Hex Head drive reduces cam-out for easier installationShank is specifically designed to match the fastener holes in Simpson Strong-Tie connectorsOptimized heat treated for strengthMechanically-galvanized coating meets ASTM B695 class 55Connectors installed with SD screw code listed under ICC-ES ESR-3096Simpson Strong Tie SD Structural-Connector...