0.220" x 8" Strong-Tie SDWS22800DBB Timber Screw - Double Barrier Coating, Black | Qty. 400 Wood-to-Metal Self-Drilling Screws Built from 7-gauge steel and

Built from 7-gauge steel and hot-dip galvanized for long-lasting corrosion resistance

Projects requiring ledger attachment that bypasses non-structural veneer

This screw also features a slender shank to minimize splitting and a diamond point for easier driving

Do not use in exterior or high-moisture environments

the RSV25100 is built for dry interior environments where corrosion resistance and load strength are critical

0.220" x 8" Strong-Tie SDWS22800DBB Timber Screw - Double Barrier Coating, Black | Qty. 400 Wood-to-Metal Self-Drilling Screws Built from 7-gauge steel andSimpson 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,