Simpson Strong-Tie Strong-Drive SD #9 x 2-1/2 In. Hex Drive Mechanically Galvanized Connector Screw (500 Ct.) Go Away Grade 30 proof coil chain

Grade 30 proof coil chain

(1) pilot bit

Buckle is independent of the strap and completely adjustable

especially in confined spaces

and gets to full throttle in under 1 second

Simpson Strong-Tie Strong-Drive SD #9 x 2-1/2 In. Hex Drive Mechanically Galvanized Connector Screw (500 Ct.) Go Away Grade 30 proof coil chainThe 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