Rss 5/16 In. X 5-1/8 In. Black Exterior Wood Structural Screw (300-count)

GRK RSS Black Structural Screws deliver high strength fastening with a clean black finish for structural wood projects. Designed for fast, easy installation, they drive into most wood without pre drilling while providing exceptional holding power. The washer head creates a strong, secure connection, and the corrosion resistant coating is approved for interior and exterior use, including treated lumber. Ideal for decks, pergolas, timber framing, and other structural applications.