(Overhead installation need not be blown clean
Architectural designs requiring concealed hardware for a cleaner aesthetic
Versatile Application: Intended for use with 4x4 lumber with a slotted base for adjustable installation
Pergolas & Gazebos: Maintains structural integrity in exposed outdoor structures
engineered wood and polymer materials
0.220" x 8" Strong-Tie SDWS22800DBB Timber Screw - Double Barrier Coating, Black | Qty. 400 Quik Drive Wood Decking Systems (Overhead installation need not beSimpson 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,