0.220" x 8" Strong-Tie SDWS22800DBBMB Timber Screw - Double Barrier Coating, Black | Qty. 250 Fiber-Cement Siding Nails Thickness of Wood/Plywood - 3/4"

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

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

Drive screw until washer head contacts the surface fully

improving overall building stability in post-frame and masonry construction

and joining—perfect for through-bolting

0.220" x 8" Strong-Tie SDWS22800DBBMB Timber Screw - Double Barrier Coating, Black | Qty. 250 Fiber-Cement Siding Nails Thickness of Wood/Plywood - 3/4"Simpson 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,