0.220" x 8" Strong-Tie SDWS22800DBBMB Timber Screw - Double Barrier Coating, Black | Qty. 250 Fiber-Cement Siding Nails Securing sheet metal to metal

Securing sheet metal to metal studs or framing

Stainless steel construction – Superior corrosion resistance for exterior and marine use

Thickness of Wood/Plywood - 3/4" - 2-1/8"

Drive screw until washer head contacts the surface fully

Quik Guard® Coating – Provides strong corrosion resistance for long-term durability in outdoor builds

0.220" x 8" Strong-Tie SDWS22800DBBMB Timber Screw - Double Barrier Coating, Black | Qty. 250 Fiber-Cement Siding Nails Securing sheet metal to metalSimpson 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,