0.220" x 6" Strong-Tie SDWS22600DBBMB Timber Screw - Double Barrier Coating, Black | Qty. 250 Truss/Rafter Fastening Systems reducing jams and boosting productivity

reducing jams and boosting productivity on the job site

and hold securely in treated lumber

Fastener placement is critical—use all specified holes to achieve full load capacity

The hardened pins quickly and cleanly pierce the cold-formed steel and leave the pin head flush with the wood fixture

The Simpson Strong-Tie F07T300TDM Self-Drilling Siding Screw is designed to deliver strength

0.220" x 6" Strong-Tie SDWS22600DBBMB Timber Screw - Double Barrier Coating, Black | Qty. 250 Truss/Rafter Fastening Systems reducing jams and boosting productivitySimpson 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,