0.220" x 4" Strong-Tie SDWS22400DBB-R50 Timber Screw - Double Barrier Coating, Black | Qty. 50 Underlayment & Subfloor Screws while a sharp Type 17

while a sharp Type 17 point delivers fast starts and reduces the need for predrilling

Some products may be installed with the Strong-Drive SD Connector screw

Annular ring shank increases pull-out resistance to provide a secure attachment that reduces cupping

6-Hole Gusset Corner Channel Connection Left-Hand - Electro-Galvanized allows channels to be connected perpendicularly and can be used to create joints along a vertical piece of strut

The Quik Guard coating offers superior resistance against the elements

0.220" x 4" Strong-Tie SDWS22400DBB-R50 Timber Screw - Double Barrier Coating, Black | Qty. 50 Underlayment & Subfloor Screws while a sharp Type 17Simpson 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,