Everbilt 1/2 in.-13 x 5 in. Galvanized Carriage Bolt (25-Pack)

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.|Unique design is great for connections where the head is not accessible for tightening|Made from galvanized steel for great corrosion resistance|Self-locking square neck and coarse threads fasten very securely|Fully threaded|Includes 25-pieces to complete your project|Head code CMA