Simpson #9 x 2-1/2" SD Connector Screw Galvanized SD9212 CB3BLGHL Cement Board Screw (Collated) maintaining ultimate strength and durability

maintaining ultimate strength and durability across extended use in concrete and masonry materials

The Variable Tooth Design alternates tooth spacing across the blade to optimize chip evacuation

This configuration is used to accommodate specific structural layouts

providing confidence for use in structural applications requiring documented performance data

Simpson #9 x 2-1/2" SD Connector Screw Galvanized SD9212 CB3BLGHL Cement Board Screw (Collated) maintaining ultimate strength and durabilitySimpson Strong Drive SD Connector Screw, #9 x 2 1 2 in., Mechanically Galvanized by Simpson is the only screw tested and approved to replace nails in certain Simpson Strong Tie connectors making it the go to fastener for installers who need load rated performance in structural connector applications. Featuring a 1 4 in. hex head for fast, controlled driving, this sharp point connector screw delivers single fastener load values that exceed those of