A carriage bolt is a threaded bolt with a round, smooth head. The bolt is prevented from rotating in its hole by a square neck directly under the head.
Example:
The pergola I built made use of carriage bolts on the corners.
CARRIAGE BOLT
A carriage bolt is a threaded bolt with a round, smooth head. The bolt is prevented from rotating in its hole by a square neck directly under the head.
Example:
The pergola I built made use of carriage bolts on the corners.