0.220" x 6" Strong-Tie SDWS22600DBB Timber Screw - Double Barrier Coating, Black | Qty. 500 Joist Hanger Nails Refer to manufacturer technical documentation

Refer to manufacturer technical documentation for exact load ratings per model and finish option

Fasteners: Use all specified Strong-Drive SDS Heavy-Duty Connector screws

The RCKW clip and RCKWS stiffener are sold separately

these screws make fast work of overhead installation

Substrate Installation Temperature: 23°F (-5°C) to 104°F (40°C)

0.220" x 6" Strong-Tie SDWS22600DBB Timber Screw - Double Barrier Coating, Black | Qty. 500 Joist Hanger Nails Refer to manufacturer technical documentationSimpson 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,