Marine-ready protection – ASTM A153 hot-dip galvanized finish resists corrosion in coastal and wet environments
22-caliber straight wall loads
316 Stainless Steel Construction – Maximum corrosion resistance in harsh outdoor or marine conditions
Built from 7-gauge steel and hot-dip galvanized for long-lasting corrosion resistance
Innovative Precision Placement™ nosepiece allows for easy location of the holes in standing seam metal roofing clips
0.220" x 5" Strong-Tie SDWS22500DBB Timber Screw - Double Barrier Coating, Black | Qty. 600 EPDM Bonded Washers Marine-ready protection – ASTM A153Simpson 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,
