Here is a rewritten and improved version of the provided content in English, ensuring it is more natural, well-structured, and exceeds 500 characters:
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**Basic Information:**
- **Material:** Carbon Steel
- **Groove Type:** Hexagon
- **Head Style:** Countersunk Bolt
- **Grade:** 10.9, 12.9
- **Trademark:** NGL
- **Specification:** M4 to M48
- **HS Code:** 7318150000
**Additional Details:**
- **Type:** Countersunk Head
- **Connection:** Common Bolt
- **Standards:** DIN, GB, ANSI
- **Finish Options:** Black, Plain, Zinc (ZP), etc.
- **Packaging:** 25 kg per carton, packed on European pallets
- **Origin:** Ningbo, China
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**Product Specifications Table:**
| Description | Size | Finish | Grade |
|-------------|------------|----------------|-----------|
| DIN 7991 | M6 - M48 | Black, Zinc | 10.9, 12.9|
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**Product Overview:**
This product is a **DIN 7991 Hexagon Socket Head Cap Bolt**, designed for high-strength applications. It is manufactured using **carbon steel, alloy steel, or stainless steel**, depending on the required performance. Available in various grades such as **DIN Gr. 4.6 to 12.9**, it offers excellent mechanical properties.
The bolts are available in multiple finishes, including **plain, black, zinc-plated (ZP), and others**, providing flexibility for different environments and aesthetic needs. The standard packaging includes **25 kg per box, with 36 boxes per pallet**, making it convenient for international shipping.
**Key Features:**
- High-quality materials and precise manufacturing
- Wide range of sizes from M4 to M48
- Customization options available (OEM and ODM)
- Competitive pricing with reliable quality control
- Suitable for global export markets
**Why Choose Us?**
- Professional Quality Control
- Flexible Design and Customization
- Strong Production Capacity (1600 tons/month)
- Fast Delivery and Reliable Service
- Welcome to custom designs and logos
If you have any questions or need further information, feel free to contact us. You can also visit our website at [www.gtzl-cn.com](http://www.gtzl-cn.com) for more details. We look forward to your inquiry and hope to build a long-term business relationship with you.
Thank you for your time, and we appreciate your support in advance!
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Jiangsu Zijun International Trade Co., Ltd. , https://www.zijunplastic.com