Qbh DIN3570 Stainless Steel / Carbon Steel U Bolt, Half Thread U Bolt with Nuts, U Clamp Bolt, U Bolt for Steel Pipes
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Product Highlights
- Wide Material Options: Available in Carbon Steel and Stainless Steel (SS304/SS316) for diverse corrosion resistance needs.
- Multiple Size Range: Sizes available from M3 to M20 to fit various pipe and structural applications.
- Various Coating Choices: Options include black, zinc plating, HDG, Heat treatment, Dacromet, and GEOMET for protection.
- Versatile Application: Ideal for fixing tubular objects like water pipes, automotive leaf springs, and railway connections.
- Competitive Pricing: We promise competitive prices along with high quality and the shortest delivery times.
- Free Samples Available: Free samples for standard fasteners are provided for quality verification before bulk orders.
- Strict Quality Control: Quality is priority; we supervise each production link from beginning to end.
- Direct Factory Source: We are a factory mainly producing fasteners, ensuring direct supply and best service.
Product Attributes
- Customization
- Available
- Material
- Carbon Steel
- Type
- U Bolt
- Model NO.
- DIN3570
- Connection
- Common Bolt
- Head Style
- U Bolt
- Standard
- DIN, ANSI, GB, JIS
- Grade
- 8.8
- Application
- Machinery, Chemical Industry, Environmental, Building, Auto Parts
- Finish
- Color-Zinc Plated
- Transport Package
- 25kgs/Box, Bulk in Pallet
- Specification
- M3-M20
- Trademark
- QBH
- Origin
- China
- HS Code
- 73181500
- Production Capacity
- 500tons/Year
- Package Size
- 26.00cm * 26.00cm * 14.00cm
- Package Gross Weight
- 25.000kg
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 Qbh DIN3570 Stainless Steel / Carbon Steel U Bolt, Half Thread U Bolt with Nuts, U Clamp Bolt, U Bolt for Steel Pipes
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Qbh DIN3570 Stainless Steel / Carbon Steel U Bolt, Half Thread U Bolt with Nuts, U Clamp Bolt, U Bolt for Steel Pipes -
Qbh DIN3570 Stainless Steel / Carbon Steel U Bolt, Half Thread U Bolt with Nuts, U Clamp Bolt, U Bolt for Steel Pipes -
Qbh DIN3570 Stainless Steel / Carbon Steel U Bolt, Half Thread U Bolt with Nuts, U Clamp Bolt, U Bolt for Steel Pipes -
Qbh DIN3570 Stainless Steel / Carbon Steel U Bolt, Half Thread U Bolt with Nuts, U Clamp Bolt, U Bolt for Steel Pipes -
Qbh DIN3570 Stainless Steel / Carbon Steel U Bolt, Half Thread U Bolt with Nuts, U Clamp Bolt, U Bolt for Steel Pipes -
Qbh DIN3570 Stainless Steel / Carbon Steel U Bolt, Half Thread U Bolt with Nuts, U Clamp Bolt, U Bolt for Steel Pipes -
Qbh DIN3570 Stainless Steel / Carbon Steel U Bolt, Half Thread U Bolt with Nuts, U Clamp Bolt, U Bolt for Steel Pipes
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Product Description
| STYLE | U bolt,Half Thread U Bolt with Nuts,U Clamp Bolt |
| STANDARD | DIN 3570 |
| SIZE | M3-M20 |
| CLASS(Carbon steel) | 4.8,5.8,8.8,10.9,12.9 |
| Coating(Carbon steel) | black, zinc, HDG, Heat treatment, Dacromet, GEOMET |
| MATERIAL | Stainless steel(SS304/SS316)/Carbon steel |
| PACKING | bulk/ boxes in cartons, bulk in polybags/ buckets, etc. |
| PALLET | solid wood pallet, plywood pallet, ton box/bag, etc. |
Product description
It is mainly used for fixing tubular objects, such as water pipes or sheet objects, such as leaf spring construction and installation of automobiles, connection of mechanical accessories, vehicles and ships, bridges, tunnels and railways, etc. Main shapes: semicircle, square right angle, triangle, oblique triangle, etc.
More Details
Free Samples for standard fastener from Jiaxing City Qunbang Hardware
We Promise:
1.High quality
2. Competitive price
3. The shortest delivery
4. The fastest response
5. The best service
FAQ
Q:Are you a factory or trading company?
A: We are factories, mainly producing fasteners, such as nuts, bolts, screws and rods, and meanwhile, we also manage other hardware products.
Q: Where is your factory located? How can I visit there?
A: Our factory is located in Jiaxing City, Zhejiang Province with a good location and convenient transportation, which is next to Shanghai Port, Ningbo Port and Zhapu Port.
Q: How does your factory do regarding quality control?
A: "Quality is priority" we supervise each production link and we always attach great importance to quality controlling from the beginning to the end.
Awaiting for your kind inquiry! Thanks & best regards!
For more information: http://qbfastener.en.made-in-china.com & http://qbfastener.en.made-in-china.com
About the Supplier
This supplier has been audited by BV. Verify the report on the official BV website with ID "MIC-ASR2531789". Items marked "
" are certified.
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Company Profile
Jiaxing City Qunbang Hardware Co., Ltd. (brand: QBH) is a fastener enterprise integrating production, design, sales, and after-sales service. The company is located in the Hangzhou-Jiaxing-Huzhou Plain, close to Shanghai, Ningbo, and Zhapu ports. Thanks to its superior geographical position and convenient transportation, the company has natural advantages for export business.
The company mainly produces high-strength fasteners, with bolts and nuts as its core products. The main standards include DIN, ANSI/ASME, JIS, UNI, ISO, AS, BS, GB, and others. Our products are widely used in bridges, roads, petroleum pipeline facilities, wind power generation, and steel structure projects. Carbon steel bolts are available in grades 4.8, 5.8, 6.8, 8.8, 10.9, and 12.9; Nuts in grades 4, 6, 8, and 10. Stainless steel fasteners are mainly made of 201, 304, and 316. Since its establishment, QBH has undergone over ten years of development. We are equipped with comprehensive testing equipment and maintain good cooperation with SGS and TUV. Each batch of products is accompanied by a 3.1 or 3.2 certificate, further ensuring quality.
In 2017, we registered the trademark "QBH" in China, the EU, and the United States, and obtained six fastener product patents. We have also been awarded the Zhejiang Province Science and Technology Small and Medium-sized Enterprise certificate and the ISO9001: 2000 certificate. As the company continues to grow and customers demand more diversified products, we have further strengthened our manufacturing capabilities.
In 2025, QBH officially expanded with two new factories:
China Factory (Ningbo):
NINGBO QB FASTENER MANUFACTURING Co., Ltd.
Address: No. 100, Tianshen Road, Jiulonghu, Zhenhai, Ningbo City, Zhejiang Province, China
Vietnam Factory:
KHAI TIN HUY PRODUCTION AND TRADING COMPANY LIMITED
Address: Street No. 1, Thuan Dao Expanded Industrial Park, Long Dinh Ward, Can Duoc District, Long An, Vietnam
With the addition of these new facilities, QBH has significantly increased production capacity, optimized cost structures, and enhanced supply chain flexibility. Starting from 2015, QBH had already begun cooperating with several fastener enterprises to enrich product variety and improve pricing. Now, with our own manufacturing bases in both China (Ningbo) and Vietnam, we can offer even more competitive prices, shorter lead times, and better quality control across a wider range of products.
QBH has always been committed to providing customers with efficient, convenient services and high-quality products. Our mission is to create a pleasant trading experience for our customers, deeply participate in their construction projects, and make progress together. This means we continuously strive to offer better and more cost-effective solutions, helping customers stand out in a competitive market.
QBH promises to always provide you with excellent quality, efficient service, and very competitive prices. We believe our cooperation is not only business-based but also an opportunity to open new markets together on a win-win basis. We thank all our past customers for their great support and help, which have allowed us to grow step by step. At the same time, we look forward to establishing new business relationships with you in the near future.
About Our Factory & Business Background
- Address
- No375, Tongle Road, Nanhu District, Jiaxing City, Zhejiang Provice, Jiaxing, Zhejiang, China
- Terms of Payment
- LC, T/T, D/P, PayPal, Western Union, Small-amount payment, OA
- International Commercial Terms(Incoterms)
- FOB, CFR, CIF, DDP, EXW, Others
- Average Lead Time
-
Peak Season Lead Time: one month
Off Season Lead Time: within 15 workdays - Nearest Port
- SHANGHAI, NINGBO
Our Production Capability & Technical Expertise
- Main Products
- Fastener, Nuts, Bolts, Thread Rod, Washer, Hex Nuts, Hex Bolts, A194-2h, A325/A325m, A490/A490m
Our Industry Experience & Global Business Record
- Export Year
- 2004-01-10
- Main Markets
- North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
FAQ
- Are you a factory or trading company?
- We are factories, mainly producing fasteners, such as nuts, bolts, screws and rods, and meanwhile, we also manage other hardware products.
- Where is your factory located? How can I visit there?
- Our factory is located in Jiaxing City, Zhejiang Province with a good location and convenient transportation, which is next to Shanghai Port, Ningbo Port and Zhapu Port.
- How does your factory do regarding quality control?
- 'Quality is priority' we supervise each production link and we always attach great importance to quality controlling from the beginning to the end.
- What materials are available for the U Bolt?
- The U Bolts are available in Carbon Steel and Stainless Steel (SS304/SS316).
- What is the size range of the U Bolts?
- The size range is M3-M20.
- What coating options are available for Carbon Steel U Bolts?
- Coating options include black, zinc, HDG, Heat treatment, Dacromet, and GEOMET.
- What are the main applications for these U Bolts?
- They are mainly used for fixing tubular objects like water pipes, sheet objects like leaf spring construction, and connections in vehicles, ships, bridges, and railways.
- What is the average lead time for orders?
- Peak Season Lead Time is one month, and Off Season Lead Time is within 15 workdays.
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