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**Carbon Steel Countersunk Head Carriage Bolt**
**Product Specifications**
- **Model No.:** DIN603
- **Certificate:** ISO9001:2008, TS16949
- **Technique:** Cold Heading and Hot Heading
- **Product Grade:** A
- **Application:** All Industries
- **Trademark:** JR
- **Specification:** ROHS, SGS
- **Origin:** Shanghai
- **HS Code:** 7318159090
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### 1. Product Parameters
| **Standard** | ASME B18.2.1, IFI149, DIN931, DIN933, DIN558, DIN960, DIN961, ISO4014, and more |
|--------------|-----------------------------------------------------------------------------|
| **Size** | Standard & Non-Standard, supports customization |
| **Material** | Carbon Steel, Alloy Steel, Stainless Steel, Brass, and others |
| **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) + wooden pallet or as per customer 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 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 Material and Test Reports |
| **Notice** | Please provide Size, Quantity, Material or Grade, Surface Finish. For special or non-standard products, please supply Drawing, Photos, or Samples. |
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### 2. Company Information
Shanghai Jinrui Norm Parts Supplies Co., Ltd. specializes in the production of fasteners and other standard parts. The company owns two factories: Shanghai Xingrui Bolt Factory and Shanghai Xingrui Wire Steel Factory. We are equipped with numerous cold-heading machines, nut machines, and hot-heading machines.
We hold ISO9001 and TS16949 certifications, allowing us to manufacture fasteners according to GB, DIN, ANSI, JIS, ISO, and customer specifications at competitive prices.
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### 3. Production Process
From raw materials to final product delivery, we implement a strict quality control program. Our process includes: wiring, roughing, annealing, pickling, drawing, heading, rolling, heat treatment, surface treatment, and packaging. Every step is carefully monitored to ensure high-quality output.
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### 4. Why Choose Shanghai Jinrui?
**(1) Value Creation for Customers**
We consistently deliver high-quality and well-designed products to meet customer needs. As a leader in this field, we provide top-tier products and services.
**(2) Better Quality at Lower Prices**
We offer the best pricing for the same level of quality, helping our clients save costs effectively.
**(3) Continuous Innovation**
Every year, we develop new products to keep up with market demands and industry trends.
**(4) Expertise in Manufacturing and Export**
With over 14 years of experience in manufacturing and exporting, we have a stable quality control system. Our products are available across nearly all continents, delivered via truck, rail, and sea containers.
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### 5. 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 of foreign trade experience do you have?**
A: Over 14 years of exporting to countries worldwide, providing high-quality fasteners.
**Q3: Do you have sufficient inventory?**
A: Yes, we maintain ample stock in warehouses and offer 24/7 service.
**Q4: How do you ensure quality throughout the process?**
A: Each process is inspected by our quality inspection department to guarantee product quality.
**Q5: How do you ensure safe long-distance transportation?**
A: Our professional packing team ensures safe and secure packaging.
**Q6: Can you provide samples?**
A: Yes, we can provide samples based on your requirements.
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At Shanghai Jinrui, we are committed to delivering quality, reliability, and exceptional service to every client. Whether you're looking for standard or custom fasteners, we are here to meet your needs. Let’s build a successful partnership together!
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HEBEI CONQUER HARDWARE WIRE MESH CO.,LTD , https://www.anjiahardware.com