Simpson Strong-tie Strong-drive Swd 0.180 In. X 3-1/2 In. T30 Double-threaded Screw (50-count)

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.