Grip-Rite PTN325B 8-by-3-Inch Coarse Thread Exterior Screws with Bugle Head, Grey, 25-Pound Bucket
Outdoor Construction - Exterior Screws - PrimeGuard+ Ten - TEN-YEAR Warranty against rust and corrosion. For outdoor projects including decks and fences.  Grip-Rite®  brand fasteners from PrimeSource Building Products, Inc.