Simpson Strong-Tie 3/8-in x 4-in Hot-Dipped Galvanized Strong-Drive SDWH Timber-Hex Exterior Wood Screws (30-Per Box) in the Wood Screws department at Lowes.com
8-18 x 1/2" (FT) Self Drilling Screw Phillips Hex Washer Head #2 Point Stainless Steel 18-8 | ASMC.net