0.220" x 5" Strong-Tie SDWS22500DBBMB Timber Screw - Double Barrier Coating, Black | Qty. 250 Zinc Strong Bolt 2 Anchors Whether you're fastening structural supports

Whether you're fastening structural supports in coastal buildings or setting up tensioning systems in corrosive industrial environments

This variable-pitch tiedown is used for single-or-multi-ply CFS girder truss projecs

Durable steel construction for structural reinforcement

load-bearing connection between engineered wood joists and headers

000-hour salt spray exposure

0.220" x 5" Strong-Tie SDWS22500DBBMB Timber Screw - Double Barrier Coating, Black | Qty. 250 Zinc Strong Bolt 2 Anchors Whether you're fastening structural supportsSimpson 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,