China Fasteners Factory Supply High Quality Bolt and Nut Stainless Steel U Bolt for Machinery
Product Specifications
- zinc Color
- Steel Material
Contact Supplier
Product Highlights
- Customized Surface Treatment: Available in Black, Zinc, or fully customized surface finishes.
- High Production Capacity: Annual output exceeds 8,000 tons with 30 cold heading machines.
- OEM/ODM Services: Support for custom logos, designs, and flexible customization options.
- Wide Size Range: Specifications from M5 to M30, covering 5mm-20mm diameter and 16mm-400mm length.
- Multiple Grade Options: Available in Grade 4.8, 8.8, 10.9, and 12.9 strength levels.
- Global Export Experience: Products exported to Asia, North America, Europe, and other regions since 2011.
- Fast Shipping for Stock Items: In-stock products guaranteed to ship within one week.
- Salt Spray Testing: All products undergo rigorous salt spray testing for quality assurance.
Product Attributes
- Customization
- Available
- Material
- Carbon Steel
- Type
- U Type
- Model NO.
- M6-M16
- Connection
- Common Bolt
- Head Style
- U Type
- Standard
- DIN, ANSI, GB, BSW
- Grade
- 4.8/8.8/10.9/12.9
- Application
- Machinery, Chemical Industry, Environmental, Building
- Finish
- Blue-White Zinc Plated
- Named
- U Bolts
- Testing
- Salt Spray Test
- Feature
- Rust Anti
- Item
- Fastener
- Color
- Blue-White
- Thread
- Half-Thread
- Delivery Time
- 15-30 Days
- Transport Package
- Boxes
- Specification
- 21*18*18cm
- Trademark
- Da Duo
- Origin
- Hebei, China
- Production Capacity
- 8000 Tons/Year
- Package Size
- 21.00cm * 18.00cm * 18.00cm
- Package Gross Weight
- 25.300kg
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 China Fasteners Factory Supply High Quality Bolt and Nut Stainless Steel U Bolt for Machinery
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Product Description




Name | U Bolts |
Feature | Rust Anti |
Grade | 4.8/8.8/10.9/12.9 |
Head Style | U Head |
Material | Strength Steel, /Carbon Steel/strainless Steel |
Standard | DIN, ANSI, GB |
Testing | Salt Spray Test |
Production Capacity | 8000 Tons/Year |

shelf wires,net wires,guard-rail wires,plow point wires,fishtail wires,hexagonal bolts,flange bolts and other special-shaped parts.Our productsare sold to major,medium and small cities across the country,and are also exported to Asia,North America,SouthAmerica,Europe and other countries.







yes.
Q2.Can I use my own logo or design on the product?
Yes,we offer OEM/ODM services;your logo and design can be imprinted on theproduct.
Q3.Do you have a factory?
Yes,we have a factory in Hebei.You are welcome to visit our company and factory.We are a professional manufacturer,providing OEM/ODM services to our customers.
Q4.What is the production capacity of your factory?
Our factory boasts 30 cold heading machines of various sizes,employs nearly60 skilled workers,and has an annual production capacity of 8,000 tons
Q5.When will the goods be shipped?
Some of our products are in stock and guaranteed to be shipped within one week.For customized orders,they will be shipped within one month after pro-duction is arranged.The specific situation may vary depending on local govern-ment policies.We can maintain communication at any time to keep abreast ofthe production and shipping progress.
About the Supplier
This supplier has been audited by CTI. Verify the report on the official CTI website with ID "QIP-ASI256451". Items marked "" are certified.
Company Profile
Handan Da Duo Carriage Bolt Manufacturing Factory was founded in 2003, and the "Daduo" trademark has been registered by the State Administration for Industry and Commerce. Under the leadership of the factory director, our technical workers, through unremitting efforts, the enterprise has grown from small to large, from few to many, from weak to strong, and now has an annual production capacity of more than 8, 000 tons. There are 30 sets of small, medium and large equipment. There are more than 60 employees, including 10 professional management and technical personnel from colleges and technical secondary schools. It mainly produces national standard, ordinary, high-strength, British, American, German, DIN603, DIN607, DIN608, Japanese and other carriage bolts, bridge wires, shelf wires, net wires, guardrail wires, plow tip wires, fishtail wires, hexagonal bolts, flange bolts and other special-shaped parts. The specifications range from 5mm-20mm, and the length ranges from 16mm-400mm. Complete specifications and rich categories. It is a backbone enterprise specializing in the production of carriage bolts in Handan and even Hebei. It mainly produces M6-M27 national standard, ordinary, high-strength, British, American, German, DIN603, DIN607, DIN608, Japanese and other carriage bolts, bridge wires, shelf wires, net wires, guardrail wires, plow point wires, fishtail wires, hexagonal bolts, flange bolts and other special-shaped parts. Our products are sold to major, medium and small cities across the country, and are also exported to Asia, North America, South America, Europe and other countries. For example: Russia, Kazakhstan, Brazil, Thailand, Myanmar, India, Australia, Mauritius, etc. Our products are of high quality, sincere reputation and high market share. And it is growing and developing at a higher and faster speed. Just like our "Da Duo" trademark, it has grown from small to large, from few to many, and is vigorous, full of energy, and strides forward. Our factory is committed to creating a "people-oriented" corporate core culture to attract more talented and ambitious people to join us. Create a "fair, just, open-minded, and friendly" working environment. Take "fast, accurate, and professional service" as the company's marketing strategy to meet the needs of new and old customers. Seize today and imagine the future. Our factory sincerely hopes to work hand in hand with our customers for common development.
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- Linmingguan Town Xiduanzhuang Industrial Zone, Handan, Hebei, China
-
Plant Area
- 2193.1 square meters
-
Number of Employees
- 26
-
Registered Capital
- 2,000,000 RMB
- Terms of Payment
- LC, T/T, D/P
- International Commercial Terms(Incoterms)
- FOB
- Average Lead Time
-
Peak Season Lead Time: 1-3 months
Off Season Lead Time: one month - Nearest Port
- Tianjin
Our Production Capability & Technical Expertise
- Main Products
- Bolt, Carriage Bolt, Nut, Washer, Screw, Stud
-
Production Lines
- 25
-
Production Machines
- Wire drawing machine, Cold heading and thread rolling machine
-
QA/QC inspectors
- 2 people
-
Inspection Type for Finished Products
- Random inspection(Visual inspection)
-
Inspection Method for Finished Products
- Finished product checked by packing staff
-
Customization Options
- Customization from Designs, Full Customization, Minor Customization, Flexible customization
-
R&D Engineers
- 1 people
-
Traceability of Raw Materials
- No
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2022-08-05
- Export Year
- 2011-03-17
- Main Markets
- North America, Southeast Asia, Africa, Eastern Asia
-
Repeat Buyers Choice
- 80%~100%
-
New Products Launched in Last year
- No
Our Certifications, Standards & Industry Recognition
-
Cooperated with Fortune 500
- No
FAQ
- Can I obtain samples?
- Yes.
- Can I use my own logo or design on the product?
- Yes, we offer OEM/ODM services; your logo and design can be imprinted on the product.
- Do you have a factory?
- Yes, we have a factory in Hebei. You are welcome to visit our company and factory. We are a professional manufacturer, providing OEM/ODM services to our customers.
- What is the production capacity of your factory?
- Our factory boasts 30 cold heading machines of various sizes, employs nearly 60 skilled workers, and has an annual production capacity of 8,000 tons.
- When will the goods be shipped?
- Some of our products are in stock and guaranteed to be shipped within one week. For customized orders, they will be shipped within one month after production is arranged. The specific situation may vary depending on local government policies. We can maintain communication at any time to keep abreast of the production and shipping progress.
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