**Product Specifications**
- **Model No.:** Nut
- **Size:** M5-M24
- **Trademark:** JR
- **Transport Package:** 25kg/Carton, 36 cartons/Crate
- **Specification:** M6-M64
- **Origin:** Shanghai
- **HS Code:** 7318160000
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**High Strength Stud Bolt – All Sizes Stud Bolt and Nut with Black Finish**
**Exported B7 Stud Bolt and Nut**
**Product Parameters:**
| Standard | ASME B 18.2.1, IFI149, DIN931, DIN933, DIN558, DIN960, DIN961, ISO4014, etc. |
|----------|-----------------------------------------------------------------------------|
| Size | Standard & Non-standard, Support Customized |
| Material | Carbon Steel, Alloy Steel, Stainless Steel, Brass, etc. |
| Grade | SAE J429 Gr. 2, 5, 8; ASTM A307 Gr. A, Class 4.8, 5.8, 6.8, 8.8, 10.9, 12.9, etc. |
| Thread | UNC, UNF |
| Finish | Plain, Zinc Plated (Clear/Blue/Yellow/Black), Black Oxide, Nickel, Chrome, HDG, etc. |
| Packing | Bulk in Cartons (25kg Max) + Wood Pallet or as per customer demand |
| Application | Structural Steel, Metal Building, Oil & Gas, Tower & Pole, Wind Energy, Mechanical Machine, Automobile, Home Decoration, etc. |
| Test Equipment | Desktop Direct-Reading Spectrometer, Cutting Machine, Automatic Pre-Milling Machine, Polishing Machine, Hard-Testing Gauge (Vickers), Metallography Microscope, Electrolytic Thickness Gauge, Tensile Testing Machine, Salt Spray Device, Magnetic Detection Machine (Magnetic Particle Flaw Detector), Caliper, Go/No-go Gauge, etc. |
| Supply Ability | 2000 tons per month |
| Minimum Order | Not Limited |
| Trade Terms | FOB/CIF/CFR/CNF/EXW/DDU/DDP |
| Payment Methods | T/T, L/C, D/A, D/P, Western Union, MoneyGram, etc. |
| Market | South/North America, Europe, East/Southeast Asia, Australia, Africa, etc. |
| Our Advantages | One-stop Shopping, High Quality, Competitive Price, Timely Delivery, Technical Support, Supply of Material and Test Reports |
| Notice | Please let us know the size, quantity, material or grade, surface finish. If it's special or non-standard, please provide drawings, photos, or samples. |
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**Product Description**
We specialize in manufacturing high-quality fasteners that meet international standards such as GB, DIN, ANSI, JIS, and ISO. We support custom orders and can produce non-standard fasteners based on your drawings.
Our products are widely used in various industries including structural steel, metal buildings, oil and gas, wind energy, mechanical machines, and automotive applications.
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**Company Information**
Shanghai Jinrui Norm Parts Supplies Co., Ltd. is a professional manufacturer and supplier of fastening components and other standard parts. The company owns two factories: Shanghai Xingrui Bolt Factory and Shanghai Xingrui Wire Steel Factory. We are equipped with a variety of cold-heading, nut, and hot-heading machines.
We hold ISO 9001 and TS 16949 certifications, ensuring our products meet both international and customer-specific requirements at competitive prices.
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**Workshop Process**
From raw materials to final product delivery, we maintain strict quality control throughout the entire process. This includes wiring, roughing, annealing, pickling, drawing, heading, rolling, heat treatment, surface treatment, and packaging.
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**Testing Equipment**
Our laboratory is well-equipped with advanced testing tools such as salt spray testers, desktop direct-reading spectrometers, metallographic analyzers, carbon sulfur analyzers, multifunctional electrolysis thickness gauges, spectrometers, projectors, hydraulic tensile testers, hardness testers, automatic screening machines, and magnetic detection equipment.
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**Packaging & Shipping**
The standard packaging includes cartons and wooden pallets. Each pallet typically holds 20–25 kg, with 36 cartons per pallet. We also offer customized packaging solutions based on client needs.
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**Certifications**
Jinrui has been certified under ISO 9001 (2008) since 2001 and TS/16949 (Automotive Quality Control System) since 2012. In 2010, we obtained a special equipment manufacturing license for pressure pipelines. Additionally, we have "global product liability insurance" from China People's Insurance Company.
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**Why Choose Shanghai Jinrui?**
1. **Create Value for Customers**
We consistently deliver high-quality and well-designed products to meet customer needs and remain a leader in the industry.
2. **Better Quality with Lower Price**
We aim to provide better pricing without compromising on quality, helping clients save costs effectively.
3. **Continuous Product Innovation**
Every year, we develop new products to stay ahead of market demands.
4. **Manufacturing and Export Experts**
With over 14 years of experience in manufacturing and exporting, our products are available worldwide through multiple shipping methods—truck, rail, and sea containers.
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**Company Show**
[Image or description of the company’s facilities and production line]
**FAQ**
**Q1: Are you a factory or trading company?**
A: We are a specialized fastener supplier, offering the best price and service.
**Q2: How many years have you been in foreign trade?**
A: We have over 14 years of export experience, delivering high-quality fasteners globally.
**Q3: Do you have sufficient output?**
A: We maintain a large inventory with strong financial backing and offer 24/7 services.
**Q4: How do you ensure quality in every process?**
A: Every step is inspected by our quality control department to ensure product quality.
**Q5: How do you ensure safe long-distance transportation?**
A: Our professional packing team ensures all packages are safely secured.
**Q6: Can you provide samples?**
A: Yes, we can provide samples according to your specific requirements.
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Ningbo Dingming Machinery Manufacturing Co.,Ltd , https://www.dingmingmachine.com