Grip Fast 3/8 - 16 x 6 In. Hot-Dipped Galvanized Grade 2 Carriage Bolts- 6 Count

Carriage bolts have a smooth rounded head with a square neck underneath that locks into wood when tightened. Use with a pre-drilled hole and secure with a hex nut and washer to prevent spinning. They are great fasteners for decks, play equipment, docks, fencing, and furniture.