Simpson Strong-Tie #9 x 1-1/2 in. 1/4-Hex Drive, Strong-Drive SD Connector Screw (100-Pack) SD9112R100 - The Home Depot

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 SD screw exceed those of typical 10d common or 16d common nails. In addition, the galvanized coating makes the SD screw ideal for interior and most exterior conditions.
Simpson Strong-Tie Brand Video

Simpson Strong-Tie SD9212R100-1PK - #9 x 2-1/2 SD Connector Screw, 100ct : Industrial & Scientific

Simpson Strong-Tie #9 x 1-1/2 in. 1/4-Hex Drive, Strong-Drive SD Connector Screw (100-Pack) SD9112R100 - The Home Depot

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Simpson Strong-Tie #9 x 1-1/2 in. 1/4-Hex Drive, Strong-Drive SD Connector Screw (100-Pack) SD9112R100 - The Home Depot

Simpson Strong-Tie #9 x 1-1/2 in. 1/4-Hex Drive, Strong-Drive SD Connector Screw

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Simpson Strong-Tie Strong-Drive SD CONNECTOR Screw 9 x 1-1/2 inch 1/4-Hex Drive, Mech. Ga

The Strong-Drive SD Connector screw is specifically designed to replace nails in certain Simpson Strong-Tie connectors and is the only screw approved

Simpson Strong-Tie #9 x 1-1/2 in. 1/4-Hex Drive, Strong-Drive SD Connector Screw (100-Pack) SD9112R100 - The Home Depot