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U-Bolts
This product is a U-shaped fastener, made of cold-bent and rolled threaded carbon steel or stainless steel. Its curvature conforms to round pipes/rods, and both ends are threaded. It can be quickly clamped and secured with nuts, offering convenient installation and strong load-bearing capacity. The full range covers mainstream systems, with readily available stock. Surface treatments include galvanizing and hot-dip galvanizing for rust prevention. It undergoes quality control, complies with environmental regulations, and compliance documentation can be provided. Customization of non-standard pipe diameters and opening widths is supported, adaptable to various pipe fixing scenarios.
- Executive Standard
- Specification Range
- Grade & Strength
- Common Materials
- Surface Treatment
- Surface Treatment
- Industry Classification
GB/T 1231-2006; ISO 898-1; DIN 3570; ANSI/ASME B18.2.1
Metric specifications: Thread sizes M1.6~M36, nominal bolt lengths 5mm~300mm, available in full thread and partial thread types, with matching hexagonal nuts, flat washers, and spring washers; custom combinations are available. Imperial specifications: Thread sizes #2-56~1-1/2"-6, nominal lengths 1/4"~12", compatible with UNC/UNF American standard thread systems, with matching American standard nuts and washers. Bolt head types: Full range available including external hexagonal head, internal hexagonal head, countersunk head, pan head, and semi-circular head.
High-quality low-carbon steel, medium-carbon steel, alloy steel, 304 stainless steel, 316 stainless steel, brass, aluminum alloy, etc.
Environmentally friendly blue-white zinc, colored zinc, black zinc, environmentally friendly nickel plating, zinc-nickel alloy plating, Dacromet coating, electrophoresis, PVD, stainless steel natural color, stainless steel passivation, etc.
It is used for fixing pipes, steel structures, automobile chassis, agricultural machinery and equipment, etc. The core is adapted to the fixing and clamping of round pipes and rods, and can be used with nuts to achieve a firm lock.
Do you need non-standard fasteners, precision metal parts, or custom structural components for a specific application?
Yongji helps you develop and manufacture special parts and custom products based on your drawings, samples, technical requirements, and target application scenarios.
Whether you need prototype quantities, pilot production, or stable mass supply, we provide an integrated solution from engineering review to production and delivery.
From fasteners to structural parts, Yongji offers integrated development and manufacturing for a wide range of custom precision hardware products.
Whether you need a few pieces for validation, small batches for development, or large volumes for mass production, we can support your project at different stages.
With integrated manufacturing resources in China and Vietnam, Yongji helps customers achieve stable quality, scalable production, and reliable delivery.
Yongji Precision Hardware is a global manufacturer specializing in precision fasteners and metal structural components. We are China U-Bolts Suppliers and Wholesale U-BoltsExporter && Company. Founded in 2003, the company has over two decades of experience serving international OEM and ODM customers across multiple industries.
With integrated manufacturing capabilities including cold heading, stamping, CNC machining and sheet metal fabrication...
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