SDWS22400DB 4" x .220 SDWS Timber Screw - 600 Count

SDWS22400DB 4" SDWS timber screw features a 6-lobe T-40 drive for positive bit engagement. This allows for easier installations and a longer bit life. Double-barrier coating provides corrosion resistance equivalent to hot-dip galvanization, making it suitable for certain exterior and preservative-treated wood applications. Two driver bits included. In stock for immediate shipping.