Tacoma Screw Products | #16 x 3-1/2" Flat Head Phillips Wood Screws, Galvanized, 50/PKG
15 x 3-1/2" Construction Lag Screw Exterior Coated Torx/Star Drive Heavy Duty Structural Lag Screw Far Superior to Common Lag Screws - Modified Truss Washer Head - 100 SCREW COUNT - Walmart.com
Everbilt #12 x 3-1/2 in. Phillips Flat Head Zinc Plated Wood Screw (2-Pack) 807691 - The Home Depot