Simpson Strong-Tie SD9212R100-R Strong-Drive Connector Screw, #9 x 2.5", 100-Ct Eco_Friendly Rod expands from 63" to

Rod expands from 63" to 120"

uses a high-carbon C1080 steel for superior performance on the job and electronic coating for ultimate rust prevention

Size Across Flat: 1-7/16"

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Simpson Strong-Tie SD9212R100-R Strong-Drive Connector Screw, #9 x 2.5", 100-Ct Eco_Friendly Rod expands from 63" toStrong Drive Connector Screw is specifically designed to replace nails in certain Simpson StrongTie 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 StrongTie 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