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High-Strength U-Bolts from China Suppliers | Custom U Shaped Bolts by Trusted Factory for Pipe and Tube Support
Product Overview
| Product Name: | U-Bolt / U Shaped Bolt / Pipe Clamp Bolt |
| Shape: | Round U-Bolt / Square U-Bolt / Semi-Round |
| Thread Ends: | Both ends threaded |
| Nut Type: | Hex nut / Lock nut / Flange nut available |
| Thread Types: |
|
| Rod Diameter: | 5mm – 30mm |
| Bend Radius / Width: | Customized according to pipe OD |
| Standards: | DIN 3570 / DIN 3570A / DIN 3570B / ASTM / BS / Custom |
Material Options
- Carbon Steel (Grade 4.8 / 8.8 / 10.9)
- Stainless Steel (SS304 / SS316)
- Alloy Steel (Heavy-Duty Use)
Surface Finish
- Zinc Plated
- Hot Dip Galvanized
- Dacromet
- Electro-polished (Stainless Steel)
Key Features
U-shaped design for firm clamping of round or square tubes
High tensile strength and resistance to vibration
Rust-proof finish for outdoor and marine environments
Available with nuts and washers as a full assembly
Custom sizes and threading accepted
Applications
Pipe and tube mounting
Electrical cable tray fastening
Automotive exhaust system and chassis mounting
Building structure reinforcement
Marine and offshore equipment
Pole attachment and fencing systems
Securing structural components to concrete or brick walls
Packaging & Delivery
| Packaging: |
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| Lead Time: | 7–25 days depending on quantity |
| MOQ: | 1000 pcs or as negotiated |
| Shipping Port: | Tianjin, China |
Why Choose Hebei Chudu
- 10+ years of fastener manufacturing experience
- Precision bending, threading, and coating processes
- ISO9001-certified factory and third-party inspection supported
- Flexible customization & fast sample lead time
- Global export experience across Europe, the Middle East, and Southeast Asia
Contact Us
Hebei Chudu Metal Products Co., Ltd.
Frequently Asked Questions (FAQ)
What standards and grades do your U-bolts comply with?
Our U-bolts are manufactured in accordance with international standards including DIN 3570, DIN 3570A, DIN 3570B, ASTM, and BS. We offer carbon steel (Grades 4.8, 8.8, 10.9), stainless steel (SS304, SS316), and alloy steel for heavy-duty requirements.
Can you manufacture custom-sized U-bolts according to our drawings?
Yes, we specialize in OEM and customized fastener manufacturing. We can customize the rod diameter (5mm–30mm), inner width/bend radius according to your pipe outer diameter (OD), thread length, and thread types (Metric M6–M30 or UNC/UNF 1/4"–1-1/4").
Which surface finish is recommended for outdoor or marine environments?
For marine and harsh outdoor environments, Hot Dip Galvanized (HDG), Dacromet coating, or Stainless Steel (SS316) with electro-polishing are highly recommended due to their superior corrosion resistance and longevity.
Do you provide complete assembly sets with nuts and washers?
Yes, we supply full U-bolt assemblies complete with matching hex nuts, lock nuts, flange nuts, and flat/spring washers pre-packaged or assembled based on your project specifications.
What is your typical production lead time and minimum order quantity (MOQ)?
Our standard MOQ is 1,000 pieces (or negotiable depending on specifications). The typical production lead time ranges between 7 to 25 days depending on the order quantity, material availability, and surface treatment requirements.
Do you support third-party quality inspections before shipment?
Yes, our ISO9001-certified factory fully supports third-party inspections (such as SGS, BV, or TÜV) to verify dimensions, tensile strength, coating thickness, and material composition before dispatch.