Simpson Strong-Tie SDWS22400DB 0.220" x 4" Timber Screw Double Barrier (600-Pack)

OVERVIEW: Strong-Tie SDWS Timber Screws feature a 4CUT tip which eliminates the need for pre-drilling, saving valuable time compared to using traditional lag bolts. Each SDWS screw features a double barrier coating that is equivalent to hot dip galvanization, making them suitable for some exterior and preservative treated wood applications. KEY FEATURES: Double Barrier Coating 4-inch SDWS Timber Screw