**Product Specifications**
- **Model No.:** Heavy Hexagonal Nut with PTFE
- **Application:** Chemical Industry
- **Finish:** Color Zinc Plated
- **Size:** M4 to M60
- **Certificate:** ISO9001 / TS16949 / SGS
- **Trademark:** JR
- **Transport Package:** 25kg/Carton; 36 Cartons/Pallet
- **Specification:** DIN / GB / ASME / JIS / Customized
- **Origin:** Shanghai
- **HS Code:** 7318159090
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**High Strength Stud Bolt – All Sizes, Black Finished – 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 (Max 25kg) + Wood Pallet or as per Customer’s Special Request |
| Application | Structural Steel, Metal Building, Oil & Gas, Tower & Pole, Wind Energy, Mechanical Machine, Automobile, Home Decoration, etc. |
| Testing Equipment | Desktop Direct-Reading Spectrometer, Cutting Machine, Automatic Pre-Milling Machine, Polishing Machine, Hardness Tester (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. For special and Non-standard products, please provide Drawings, Photos, or Samples. |
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**Product Description**
We can manufacture various high-quality fasteners that meet GB, DIN, ANSI, JIS, and ISO standards. We support customized production and can also manufacture non-standard fasteners based on drawings.
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**Company Information**
Shanghai Jinrui Norm Parts Supplies Co., Ltd. specializes in producing 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 wide range of cold-heading machines, nut machines, and hot-heading machines. Our company holds ISO9001 and TS16949 certifications and is capable of manufacturing fasteners according to GB, DIN, ANSI, JIS, ISO, and customer specifications at competitive prices.
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**Workshop Overview**
From raw materials to final product delivery, we maintain a strict quality control process. Each stage, including wire drawing, roughing, annealing, pickling, heading, rolling, heat treatment, surface treatment, and packaging, is carefully managed for accuracy and quality.
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**Testing Equipment**
Our laboratory is 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, magnetic detection machines, and more.
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**Packaging & Shipping**
The standard packaging includes cartons and pallets. Typically, 20–25 kg per pallet, with 36 cartons per pallet. We can also customize packaging based on client requirements.
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**Certifications**
Jinrui has passed the ISO9001:2008 international quality system certification since 2001 and obtained the TS/16949 automotive quality control system certification in 2012. We also hold a special equipment manufacturing license (for pressure pipelines) and 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 always deliver high-quality, well-designed products to meet our customers’ needs.
2. **Better Quality with Lower Prices** – We offer competitive pricing without compromising on quality.
3. **Continuous Innovation** – Every year, we develop new products to meet market demands.
4. **Manufacturing and Export Experts** – With 14 years of experience, we deliver goods via truck, rail, and sea containers across all continents.
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**Company Show**
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**FAQ**
**Q1:** Are you a factory or trading company?
**A:** We are a specialized supplier of fasteners and can provide the best price.
**Q2:** How many years of foreign trade experience do you have?
**A:** We have over 14 years of export experience and can provide high-quality fasteners.
**Q3:** Do you have sufficient output?
**A:** We have ample stock in our warehouses and offer 24-hour services.
**Q4:** How do you ensure the quality of each process?
**A:** Every process is inspected by our quality inspection department to ensure product quality.
**Q5:** How do you ensure the safety of long-distance transportation?
**A:** Our professional packing team ensures safe packaging.
**Q6:** Can you provide samples?
**A:** Yes, we can provide samples as per your requirements.
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