Buttress threads available in #8 sizes for added holding power
These anchors are zinc plated carbon steel and recommended for interior use
filling both round and triangle holes with common nails achieves maximum loads
use a variable-speed drill with consistent pressure
These connectors fit FS-500 Strut Channel Use Like Metal Hardware for your application so the material lasts up to its optimal timeline
0.220" x 3" Strong-Tie SDWS22300DBB Timber Screw - Double Barrier Coating, Black | Qty. 950 Crimp Drive Anchors Buttress threads available in #8Simpson 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,