Simpson Strong-Drive® SWD Double-Threaded™ Screw

Introducing the new Strong-Drive SWD Double-Threaded screw. This innovative fastener designed for stealth, strength and speed is ideal for securing two wood members together on exterior or interior structural jobs. Available in an assortment of lengths, the SWD® screw can be used in a variety of applications such as knee bracing, fastening beam to post, beam to joist, or guardrail to post with ease. The screw features a chisel point for reduced splitting, a smooth, unthreaded mid-shank to secure wood members tight, and a compact head for low visibility. Code listed for structural applications, the SWD has a black, exterior-grade, double-barrier coating for corrosion resistance.

Key Features

• Professional grade — engineered for strength, versatility and reliability  
• Double-thread design and smooth mid-shank pull members together securely
• Black, exterior-grade, double-barrier coating for corrosion resistance  
• Chisel point provides easy driving for angled installation and reduced splitting
• Compact cylinder head design for low visibility, concealed installations
• 6-lobe driver bit for secure driving
• Code listed and load rated for structural applications

Applications

• Fasten a variety of connections with ease, such as knee bracing, beam to post, beam to joist, purlin to truss, guardrail to post, roof to wall, and post cap connections replacement, along with post-frame configuration and multi-ply assembly.

Product Includes

• 1 6-lobe driver bit: 
  • T30 for 2 1/2", 3 1/2", 6 1/4" sizes
  • T40 for 8 1/2", 10 3/4" sizes

Finish

• Black, exterior-grade, double-barrier coating for medium-level corrosion resistance