U-bolts, also known as riding bolts, are a special shape of fasteners, mainly used to fix tubular or sheet objects, such as water pipes or automobile leaf springs.

U-bolts have threads on both ends and can be used with nuts. They are widely used in building installation, mechanical parts connection, vehicles, ships, bridges, tunnels, railways and other fields.

Common materials for U-bolts include carbon steel Q235A, 35# steel, 45# steel, stainless steel 201, 304, 316, etc.

Specification range: U-bolts have a wide range of specifications, ranging from M6 to M30. For specific sizes and specifications, please refer to DIN3570 standard, which lists the size parameters of U-bolts in detail, such as total length, outer diameter, inner diameter, etc.