Custom Made Stainless Steel U Bolt with Nuts for Pipe and Structure Fixing
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Product Highlights
- Customized Standards: Offers both standard and customized specifications to meet unique project requirements.
- Superior Corrosion Resistance: Stainless steel grades A2/A4-80 provide excellent resistance for marine and chemical environments.
- Salt Spray Test Performance: Anticorrosive performance reaches 1000-2000 hours in salt spray testing.
- ISO 9001 Certification: Manufacturing processes are certified to ensure consistent high-quality batches.
- Direct Factory Engineering Support: Eliminate middleman costs with direct access to engineering teams for design optimization.
- Wide Size Range: Available sizes from M5x10mm up to M100x3000mm and 1/4X1' to 4'X100'.
- High-Strength Options: Property Class 10.9/12.9 and ASTM A325/A490 bolts for extreme load-bearing needs.
Product Attributes
- Customization
- Available
- Material
- Stainless Steel
- Type
- No Head
- Model NO.
- U Bolt
- Connection
- Common Bolt
- Head Style
- No Head
- Standard
- Customized
- Grade
- A2-70,A4-70,A2-80,A4-80
- Application
- Machinery, Chemical Industry, Environmental, Building
- Finish
- Polishing
- Thread Type
- External Thread
- Anticorrosive Performance
- Salt Spray Test Reach 1000-2000 Hours.
- Precision Grade
- Industrial Grade
- Certificate
- ISO9001:2008
- Transport Package
- Carton, Pallet
- Specification
- M5x10mm-M100x3000mm, 1/4X1"-4"X100"
- Trademark
- GONUO
- Origin
- China
- HS Code
- 7318159090
- Production Capacity
- 100ton/Month
- Package Size
- 15.00cm * 15.00cm * 10.00cm
- Package Gross Weight
- 3.000kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of Custom Made Stainless Steel U Bolt with Nuts for Pipe and Structure Fixing
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Product Description

Type | Stainless Steel Bolt |
Brand | GONUO |
Material | Stainless Steel |
Standard | Standard & Customized |
Size | M5x10mm-M100x3000mm 1/4X1" ---- 4"X100" |
Grade | A2-70,A4-70,A2-80,A4-80 |
At Gonuo Hardware, we are your precision manufacturing partner. We expertly produce a full range of DIN/ISO and ASTM standard fasteners and specialize in non-standard, custom-engineered solutions to meet your most exacting specifications.
Our Core Manufacturing Expertise:
Stainless Steel Fasteners (A2/A4-80): Superior corrosion resistance for marine, chemical, and food-grade environments.
High-Strength Bolts (Property Class 10.9/12.9, ASTM A325/A490): Engineered for critical structural connections and extreme load-bearing applications.
High-Precision Components: Manufactured to tolerances as tight as ±0.01mm for advanced robotics, automotive, and aerospace assemblies.
Why Gonuo Hardware is Your Strategic Advantage:
Direct Factory Access with Engineering Support: Eliminate middleman costs and gain direct access to our engineering team for design optimization and material selection.
Build-to-Print Excellence: We seamlessly transition your custom designs from prototype to reliable, high-volume production.
Certified & Consistent Quality: Our ISO 9001-certified processes ensure every batch meets the same high standard, shipment after shipment.
When off-the-shelf hardware is not an option, partner with Gonuo Hardware. We deliver the engineered fastening solutions that ensure your project is not just completed, but built to excel.







About the Supplier
This supplier has been audited by TÜV Rheinland. Verify the report on the official TÜV Rheinland website with ID "MIC-ASR2531408". Items marked "" are certified.
Company Profile
Ningbo Yinzhou Gonuo Hardware Co., Ltd., established in 2013, is a specialized manufacturer dedicated to the research, production, and sales of high-quality nuts and bolts. As a professional fastener enterprise, we provide a comprehensive range of nut and bolt products in metric, ASTM, and BS standards, along with fully customized non-standard solutions tailored to specific client requirements. Our products are exported to more than 50 countries and regions worldwide and have earned a strong reputation in demanding markets such as the United States, Germany, and Japan.
Core Strengths:
Professional Customization Capability
We possess extensive expertise in designing and producing non-standard nuts and bolts to meet diverse industrial applications. Our engineering team offers end-to-end support-from drawing review and process design to sample validation-ensuring that each custom product meets exact specifications regarding thread type, unique dimensions, mechanical properties, and surface treatment.
Global Supply Capacity with Wide Product Range
Our product portfolio covers sizes from M1 to M160, suitable for applications ranging from precision instruments to heavy machinery. We supply nuts in various materials including carbon steel, stainless steel, copper, aluminum, and other alloys. All products are manufactured and inspected in compliance with international standards such as ISO, DIN, ANSI, and JIS. We also offer multiple surface treatments like electroplating, hot-DIP galvanizing, Dacromet, and passivation to enhance corrosion resistance and durability.
Rapid Response and Logistics Efficiency
Strategically located in Ningbo-a major port city and manufacturing hub in China-we are only two hours away from Shanghai Port, enabling efficient and cost-effective shipping. Our optimized warehousing and logistics systems ensure prompt order processing, smooth customs clearance, and reliable delivery, helping our clients reduce lead time and enhance supply chain performance.
Integrity-Driven and Technology-Focused
We operate with a firm commitment to integrity and long-term partnership. Our young and dynamic team continuously focuses on technological innovation and quality improvement. By integrating advanced manufacturing techniques and strict quality control systems, we guarantee consistent performance and reliability of every nut we produce. We aim to be more than a supplier-we are your technical partner and problem-solver.
Gonuo Hardware adheres to the philosophy of "Continuous Improvement and Innovation, " consistently strengthening our core competitiveness. Moving forward, we will further expand our global presence and enhance customer-oriented services to deliver greater value. We warmly welcome clients from around the world to reach out and explore opportunities for collaboration.
About Our Factory & Business Background
- Address
- No. 426, Xueshi Road, Yinzhou, Ningbo, Zhejiang, China
- Terms of Payment
- LC, T/T, PayPal
- International Commercial Terms(Incoterms)
- FOB, CFR, CIF, DDP
- Average Lead Time
-
Peak Season Lead Time: one month
Off Season Lead Time: within 15 workdays - Nearest Port
- Ningbo Shanghai
Our Production Capability & Technical Expertise
- Main Products
- Special Nut, Hexagon Nut, Stainless Steel Nut, Lock Nut, Nut, Bolt, Stainless Steel Blots, High Strength Bolt, High Precision Bolt, U Bolt
Our Industry Experience & Global Business Record
- Export Year
- 2011-10-08
- Main Markets
- North America, South America, Eastern Europe, Southeast Asia, Eastern Asia, Western Europe
FAQ
- What materials are used for the U Bolt?
- The U Bolt is made of Stainless Steel, specifically grades A2-70, A4-70, A2-80, and A4-80.
- Is the product size customizable?
- Yes, we offer a wide range of sizes from M5x10mm to M100x3000mm and 1/4X1' to 4'X100'.
- What is the anticorrosive performance?
- The product passes salt spray tests reaching 1000-2000 hours.
- Do you provide engineering support?
- Yes, we offer direct factory access with engineering support for design optimization and material selection.
- What is the lead time for orders?
- Peak season lead time is one month, while off-season lead time is within 15 workdays.
- What payment terms do you accept?
- We accept LC, T/T, and PayPal as terms of payment.
- Are the products certified?
- Yes, our processes are ISO 9001:2008 certified.
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