Multiple Options Available: Choose from various lengths and diameters to match your substrate thickness
Pre-Drilling: When working with dense engineered wood
use Deck-Drive DSV Wood screws
The Quik Guard coating offers superior resistance against the elements
The Strong-Tie HUC210-4 concealed flange hanger features a G90 Galvanized coating and requires the use of hot-dip galvanized fasteners which meet the specifications of ASTM A153
0.220" x 4" Strong-Tie SDWS22400DBB-R50 Timber Screw - Double Barrier Coating, Black | Qty. 50 Underlayment & Subfloor Screws Multiple Options Available: Choose fromSimpson 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,