| Customization: | Available |
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| Material: | Carbon Steel |
| Type: | U Type |
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A U-bolt is a "U" shaped bent fastener with threads at both ends, usually used with nuts and gaskets to hold round or tubular objects in place. Its core features are high clamping force and multi-directional force adaptability, which is suitable for scenarios requiring stable binding and vibration resistance. The following are the detailed features and typical applications:
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The main characteristics of U-bolt
1. U-shaped structure design
- The bending part is attached to the fixed object (such as pipe, cylinder), providing uniform circumferential pressure to prevent slippage or displacement, especially suitable for anti-vibration environments (such as vehicle chassis, mechanical equipment).
2. Thread at both ends + standard accessories
- Threaded end with nut and gasket (flat pad/spring pad), by adjusting the nut tightness control clamping force, flexible and convenient installation.
3. High strength material
- Commonly used carbon steel (surface galvanized, hot dip zinc rust prevention), stainless steel (304/316) or alloy steel, to adapt to different loads and environmental requirements (such as Marine engineering to resist salt spray corrosion).
4. Diversify specifications
- Parameters include inner diameter (U width), rod diameter (thread diameter), leg length (thread section length) and bending radius, suitable for tubes or cylinders from φ10mm to φ300mm.
5. Multi-directional carrying capacity
- Can withstand radial pressure, axial tension and transverse shear forces, widely used in dynamic load scenarios (such as truck drive shaft fixation).
Typical application scenarios
1. Automobiles and transportation equipment
- Securing vehicle chassis components (exhaust pipe, drive shaft), suspension system shock absorbers, or binding truck cargo (e.g. wood, oil tanks).
2. Piping and fluid systems
- Hold water pipes, gas pipes, and hydraulic pipelines tightly to prevent pipeline displacement due to pressure or vibration (common in chemical and oil platforms).
3. Building and steel structure
- Connect steel beams, bridge supports or roof trusses to secure round posts and foundation members.
4. Power and communications
- Install the pole arm, cable bridge or solar bracket to ensure the equipment is stable and wind resistant.
5. Agriculture and machinery
- Fixed farm machinery (e.g. harvester blades), irrigation pipes or greenhouse frames.
6. Marine and Ocean Engineering
- Anchor chain fastening, buoy fixing or hull piping installation, seawater corrosion resistant design to extend service life.
Selection and use suggestions
- Size matching: Select the U-shaped inner diameter according to the outer diameter of the fixed object (usually 2~5mm larger than the pipe diameter) to ensure that there is no gap in the fit.
- Material selection:
- Galvanized carbon steel for conventional environment; Wet, corrosive environment choose stainless steel or hot dip zinc treatment.
- Avoid nylon gaskets in high temperature scenarios and use metal gaskets instead.
Load calculation: Selection according to bolt rod diameter (such as M12 can withstand static load of about 5 tons) and safety factor (usually 2 to 3 times).
- Installation points:
- Tighten both ends of the nuts symmetrically to avoid deformation caused by excessive tightening on one side.
- Install spring gasket or thread glue to prevent vibration loosening.
Safety precautions
- No overload: avoid exceeding the nominal load of bolts to prevent breakage and accidents.
- Regular inspection: Check the nut tightness and gasket status under long-term vibration environment.
- Anti-corrosion maintenance: Clean dirt and reapply anti-rust coating regularly when outdoor use.
With its advantages of strong clamping and easy installation, U-bolts have become an indispensable fastening solution in machinery, construction, transportation and other fields.
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Color
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white
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Finish
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Bright(Uncoated)
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System of Measurement
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Metric
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Place of Origin
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China
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Hebei
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Brand Name
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Yuetong
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Standard
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GB
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Product name
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U bolt |
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Material
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carbon steel
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Surface treatment
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Zn- Plated
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Grade
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4.8/ 6.8/ 8.8
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Size
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M6-M20
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Packing
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Bag+pallet
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Delivery time
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15-30days
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MOQ
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1Ton
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Sample
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Availabe
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Port
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Tianjin Port
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1. Good after-sales service. Any small problem happening will be solved at the most prompt time;
2. Many years of export experience;
3. Specifications list is available upon your request;
4. Welcome to send enquiry, we will reply soon;
5. Prompt shipment with professional documents;
6. Custom packing, with photo before shipment;
7. High quality and competitive price.
HEBEI YUETONG FASTENERS MANUFACTURING CO.,LTD is located in Yongnian fasteners centre which isChina's largest fasteners production base.
Our factory was setted up in 1991.We have several sets of advanced equipments, adopt advanced modern management and use high quality Iron to produce high quality products. The products sold throughout the domestic and exported to Southeast Asia and Europe and other countries and regions. Meanwhile,our products win good reputation with domestic and foreign customers.
Our company mainly produces: all kinds of flat washers, spring washers, expansion screws, flange nuts and bolts, hex bolts and nuts, sleeve anchor, fundation bolts, and thread robs with DIN, BSW, ANIS,.And we also provide the OEM. As we are manufacturing factory, so we can give you the best quality and the good price.
Q: Are you trading company or manufacturer ?
A: We are factory.
Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.
Q: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before
HEBEI YUETONG FASTENERS MANUFACTURING CO.,LTD
Contact Person: nina
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