0.220" x 6" Strong-Tie SDWS22600DBB Timber Screw - Double Barrier Coating, Black | Qty. 500 Joist Hanger Nails The 1-5/8" x 3-1/4" Back-to-Back

The 1-5/8" x 3-1/4" Back-to-Back Strut Channel with Short Slots 20 ft

Substrate Installation Temperature: 23°F (-5°C) to 104°F (40°C)

reducing movement and increasing structural integrity

these screws make fast work of overhead installation

0.220" x 6" Strong-Tie SDWS22600DBB Timber Screw - Double Barrier Coating, Black | Qty. 500 Joist Hanger Nails The 1-5/8" x 3-1/4" Back-to-BackSimpson Strong Tie SDWS Timber Screws (Exterior Grade) are your go to fasteners when strength and weather resistance matter. Ideal for outdoor framing, landscaping, or heavy duty builds, these structural wood screws help DIYers get pro level results without the need for pre drilling. Coated with a high performance Double Barrier finish, they resist corrosion from rain, moisture, and treated lumber. The large washer head adds serious clamping power,