Simpson Strong-Tie SD10112R100 #10 x 1-1/2" Structural Screw 100ct Product Description Simpson Structural Screws SD10112R100 No.10 by 1-1/2-Inch Structural-Connector Screw, 100-Pack From the Manufacturer Simpson Strong Tie SD Structural-Connector Screws are designed to be used with Simpson Connectors for both interior and exterior applications. 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, Imported USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.