0.220" x 10" Strong-Tie SDWS221000DB-R12 Timber Screw - Double Barrier Coating | Qty. 12 Roof Boots Engineered for performance in cold-formed

Engineered for performance in cold-formed steel construction

Wood beam-to-concrete/CMU pilaster connections in structural framing

which means less strain on your drill and a smoother drive

Built for maximum uplift resistance

The bugle head profile ensures flush countersinking for a clean

0.220" x 10" Strong-Tie SDWS221000DB-R12 Timber Screw - Double Barrier Coating | Qty. 12 Roof Boots Engineered for performance in cold-formedSimpson 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,