0.220" x 10" Strong-Tie SDWS221000DB-R12 Timber Screw - Double Barrier Coating | Qty. 12 Roof Boots reliable support for angled joist

reliable support for angled joist connections in wood construction

The bugle head profile ensures flush countersinking for a clean

approved for certain exterior and treated wood uses

HVAC ductwork and steel panel attachment

Engineered for performance in cold-formed steel construction

0.220" x 10" Strong-Tie SDWS221000DB-R12 Timber Screw - Double Barrier Coating | Qty. 12 Roof Boots reliable support for angled joistSimpson 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,