Simpson Strong-Tie Outdoor Accents 0.220 in. x 3-1/2 in. T40 6-Lobe, Low Profile Head, Black Structural Wood Screw (12-Pack) SDWS22312DBBRC12 - The Home Depot
Simpson Strong-Tie 1/4 in. x 1-1/2 in. Strong-Drive SDS Heavy-Duty Connector Screw (25-Pack) SDS25112-R25 - The Home Depot