Simpson Strong-Tie SD9212MB Number-9 2-1/2" SD Connector Structural Screw
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OVERVIEW: Strong-Drive SD CONNECTOR Screw #9 x 2-1/2 in. 1/4-Hex Drive, Mech. Galv. 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 load-rated SD screw has been tested and approved for use in many popular Simpson Strong-Tie products. In certain applications screws are easier and more convenient to install than nails, and the single-fastener load values achieved by the...