Simpson Strong-Tie is extending its line of structural fasteners with the launch of the Strong-Drive SWD Double-Threaded screw. With its innovative design, the SWD wood-to-wood screw can replace some interior and exterior connectors, potentially reducing installation times and labor costs.
Designed for stealth, strength and speed, the SWD Double-Threaded screw is a low-profile structural screw with a compact, cap-style head to reduce its visibility. The screw’s unique double-thread design with differentiated thread geometries and smooth mid-shank holds wood members together tightly. It features a black exterior double-barrier coating for corrosion resistance and a chisel tip for fast starts, easy driving at any angle and reduced splitting.
The new screw is suitable for applications including beam-to-post, beam-to-joist, purlin-to-truss, guardrail-to-post and roof-to-wall connections; multi-ply assemblies; knee bracing; cap connector replacements; and post-frame connections.
Code-approved, the SWD Double-Threaded screw is available in various lengths, from 2 1/2 to 10 3/4 inches.