GRK Fasteners 1/4 in. x 3- 1/8 in. Star Drive Washer Head RSS Structural Screws (50-Pack) 12161 - The Home Depot
Simpson Strong-Tie 1/4-in x 6-in Double-barrier Strong-Drive SDS Exterior Wood Screws (10-Per Box) in the Wood Screws department at Lowes.com
GRK 1/4-in x 2-1/2-in Double-barrier Lag Screw Alternative Exterior Wood Screws (50-Per Box) in the Wood Screws department at Lowes.com
Simpson Strong Tie Simpson Strong-Tie SDS 1/4 X Structural
17 X 4" Heavy Duty Structural Wood Screws - Exterior Coated Heavy Duty Wood Screws - Use for Fastening Ledger Boards, Large Timbers, Logs and More (50 Approx. Screw Count): Amazon.com: Industrial & Scientific
21 Screws per Order HandyPak 5/16 by 4-Inch Structural Screws GRK ICC-ESR-244 | eBay
RSS Rugged Structural Screw 3/8" x 4" - CY Fasteners
Starborn Structural XF23CT400 F23 Deck Ledger/Multipurpose Flat Head Wood Screw - Black - 50 Count - 0.23" x 4": Amazon.com: Industrial & Scientific