LIONMAX Construction Lag Screws #14 x 3 Inch, 50 PCS Exterior Structural Lag Screw 3 Inch with Modified Truss Washer Head, Heavy Duty Bronze Coated ...
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 H
Power Pro #8 x 3-in Stainless Steel Interior/Exterior Trim Screws (25-Per Box) in the Wood Screws department at Lowes.com
Hillman 967736 Power Pro Outdoor Wood Screw, 10 X 3 1/2-Inch, 1000 Pack