0.220" x 6" Strong-Tie SDWS22600DBBMB Timber Screw - Double Barrier Coating, Black | Qty. 250 Truss/Rafter Fastening Systems Heavy-Duty Design: Provides increased strength

Heavy-Duty Design: Provides increased strength for demanding framing applications

The Timber Drive Structural Screw Fastening System includes a precision-placement tip to accurately locate holes for fastening metal straps to bulk timber panels and an adjustable countersink to set depth for any job

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

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

and hold securely in treated lumber

0.220" x 6" Strong-Tie SDWS22600DBBMB Timber Screw - Double Barrier Coating, Black | Qty. 250 Truss/Rafter Fastening Systems Heavy-Duty Design: Provides increased strengthSimpson 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,