Simpson Strong-Tie, a leader in engineered structural connectors and building solutions, 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 labour 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 available in various lengths, from 2 ½ inches to 10 ¾ inches and 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.
“The Strong-Drive SWD Double-Threaded™ screw simplifies installation and provides greater performance at a lower installation cost than existing solutions,” says Eric Philip, product manager of fastening systems for Simpson Strong-Tie. “It’s ideal for a range of interior and exterior, wood-to-wood, engineered wood or preservative-treated wood connections in which the installer wants a low-profile structural fastening solution.”
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