Hillman 47756 Galvanized Square Drive Deck Screw, 8 X 3-Inch, 425 pack 425 pieces per package Galvanized exterior is designed for exterior use and perfect for decks, fences and furniture Square drive bits provide a more durrable head to prevent stripping Galvanized screws provide excellent corrosion protection For use with ACQ, CA, and CCA treated wood (not recommended for cedar or redwoods)