The Strong-Drive SDWC provides a time-saving and reliable option to fastening trusses and rafters to wall top plates. This high-strength structural wood screw is designed with a shorter thread length to fasten multi-ply members such as plated trusses, engineered-lumber products and solid-sawn lumber. The fully-threaded shank engages the entire length of the fastener, providing a secure connection between the roof and wall framing members. Strong-Drive® SDWC TRUSS Screw — .155 in. x 6 in. T30 Clear-Zinc Coat, Orange (50-Qty) (Pack of 6).