Simpson® SDWS timber screws, Star drive oversize washer head, Double barrier coated steel, 0.220" x 6" - Bolt Depot
Simpson Strong-Tie #12 x 6-in Double-barrier Strong-Drive SDWS Timber Exterior Wood Screws in the Wood Screws department at Lowes.com
How to Install the Strong-Drive® SDWS Timber Screw | Designed to provide an easy-to-install, high-strength alternative to through-bolting and traditional lag screws, the Strong-Drive SDWS Timber screw is... | By Simpson Strong-Tie
Simpson Strong-Tie SDWS Ledger Screw
Simpson Strong-tie SDWS16300QR75 .160 X 3" SDWS Quikguard Framing Screw 75ct for sale online | eBay