| Standard | DIN 3570, ISO 261, ASME B1.1 |
| Grade | 8.8, 10.9 |
| Surface Treatment | YZP |
Product Introduction
Standard Name: U-Bolt (U-shaped bolt).
Common Names: Color-zinc U-bolt, Blue-white zinc U-clamp, U-bolt.
Product Definition: A “U”-shaped bolt with threaded ends, used to secure pipes, wire harnesses, or cylindrical objects. YZP denotes a blue-white zinc (multicolor zinc) coating, enhancing corrosion resistance and appearance beyond basic functionality.
U Bolt YZP Key Features
Yellow Zinc Plated (YZP) Coating: Features yellow chromate passivation, providing moderate corrosion
protection (superior to standard white zinc). The surface is golden yellow, aesthetically pleasing and
wear-resistant, suitable for indoor or mildly humid environments.
U-shaped Design: Circular or square bend with threaded ends, supplied with nuts and washers,
providing circumferential fastening and even pressure distribution.
Material and Strength: Commonly made of carbon steel, offering medium strength; suitable for securing
pipes, beams, or circular objects.
Diverse Specifications: Available in diameters M6-M24, with various inner widths/heights, often supplied
with saddles or rubber pads.
Advantages: Simple installation, strong gripping force, aesthetically pleasing and economical, commonly
used for pipe support.U Bolt ZP

Working Principle
Circumferential Installation: The U-shaped part surrounds the pipe or beam, with the ends passing
through the mounting plate.
Preload Generation: Tightening the nuts generates axial clamping force, evenly pressing the object.
Load Distribution: The curved section distributes pressure, preventing localized deformation; the yellow
zinc plating reduces friction and provides moderate corrosion protection.
Fixing and Adjustment: Washers enhance stability, and the nut position is adjustable; the principle
involves frictional gripping and mechanical encirclement.

Product Applications
Pipe Support: Securing water pipes, gas pipes, or cables to walls/beams, providing stable support.
Construction Engineering: Installing railings, brackets, or steel beams, both aesthetically pleasing
and practical.
Automotive and Machinery: Securing exhaust pipes, suspension components, or equipment parts.
Home and Industrial Use: Securing shelves, fences, or piping systems; the yellow zinc plating is suitable
for visible applications.
General Clamping: Any circular object requiring circumferential fastening.