The English name is U-bolt, which belongs to non-standard parts. It is named after its u shape. It has threads at both ends and can be combined with nuts. Mainly used for fixing tubular objects such as water pipes or automobile leaf springs. Because it fixes objects like a person riding a horse, it is called a riding bolt.
U-shape is generally used in trucks to stabilize the chassis and frame of cars. For example, leaf springs are connected by U-bolts.
U-shaped bolts are widely used, mainly used in building installation, mechanical parts connection, vehicles and ships, bridges, tunnels, railways and so on.