U-bolt is a non-standard part, named for its U-shaped shape, with threads at both ends that can be combined with nuts, and is mainly used to fix tubular objects such as water pipes or sheet objects such as leaf springs of automobiles.

U bolts are generally used on trucks to stabilize the chassis and frame of the car. For example, the leaf spring is connected by U bolts.

U bolts have a wide range of uses, and their main uses are: construction installation, mechanical parts connection, vehicles and ships, bridges, tunnels, railways, etc.