0.220" x 4" Strong-Tie SDWS22400DBB-R50 Timber Screw - Double Barrier Coating, Black | Qty. 50 CJT Concealed Joist Ties Dagger-Guard Coating: Corrosion-resistant finish tested

Dagger-Guard Coating: Corrosion-resistant finish tested to 1

with some life to spare

Electrical box and conduit attachment

and maintenance environments

0.220" x 4" Strong-Tie SDWS22400DBB-R50 Timber Screw - Double Barrier Coating, Black | Qty. 50 CJT Concealed Joist Ties Dagger-Guard Coating: Corrosion-resistant finish testedSimpson 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,