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infrastructure
The Simpson Strong-Tie CBSDQ158S Collated CBSDQ Sheathing-to-CFS Screws are engineered for high-volume sheathing installations into cold-formed steel (CFS)
use a variable-speed drill with consistent pressure
The hex head provides better driving control
These anchors are zinc plated carbon steel and recommended for interior use
0.220" x 3" Strong-Tie SDWS22300DBB Timber Screw - Double Barrier Coating, Black | Qty. 950 Crimp Drive Anchors infrastructureSimpson 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,