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

The load-rated SD screw has been tested and 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 i for interior and most exterior conditions