0.220" x 4" Strong-Tie SDWS22400DBB-R50 Timber Screw - Double Barrier Coating, Black | Qty. 50 CJT Concealed Joist Ties 3-Hole 90 Degree Angle -

3-Hole 90 Degree Angle - 316 Stainless Steel fittings connect strut channel at the corners and joints

ensuring flush seating and preventing spin-out

Electrical box and conduit attachment

with some life to spare

0.220" x 4" Strong-Tie SDWS22400DBB-R50 Timber Screw - Double Barrier Coating, Black | Qty. 50 CJT Concealed Joist Ties 3-Hole 90 Degree Angle -Simpson 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,