0.220" x 4" Strong-Tie SDWS22400DBB Timber Screw - Double Barrier Coating, Black | Qty. 600 Metal To Metal Roofing Screws Interior Ready – Blue zinc

Interior Ready – Blue zinc coating offers corrosion resistance for dry

Installation Tip:

The Simpson ECCOQ4

ensuring compliance with stringent building codes

High-Speed Collated Screws for Wood-to-Cold-Formed Steel Framing

0.220" x 4" Strong-Tie SDWS22400DBB Timber Screw - Double Barrier Coating, Black | Qty. 600 Metal To Metal Roofing Screws Interior Ready – Blue zincSimpson 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,