**Basic Information:**
- **Model No.:** A325
- **Type:** Hexagon Head Bolt
- **Head Style:** Hexagonal
- **Grade:** 10.9
- **Finish:** Black
- **Trademark:** NGL
- **Specification:** M3 to M64, 1/4" to 3"
- **HS Code:** 7318150000
- **Material:** High Strength Steel
- **Connection Type:** Standard Bolt
- **Standard:** ANSI
- **Application:** Industrial Machinery
- **Available Finishes:** Black, Plain, ZP, YZP, BZP, WZP
- **Sizes Available:** M4 to M56, 5/32" to 3"
- **Packaging:** 25kg per carton, packed on European pallets
- **Origin:** Ningbo, China
---
**Product Description:**
| Product Name | Hexagon Head Bolt |
|----------------------|-------------------|
| Standard | DIN, ASTM/ANSI, JIS, EN, ISO, AS, GB |
| Material | Carbon Steel: 4.6, 4.8, 5.6, 6.8, 8.8, 9.8, 10.9, 12.9
Stainless Steel: A2, A4 | | Finish | Plain, Black, Z.P., H.D.G. | | Packing | 25kg/box, 36 boxes/pallet | | Free Sample | Available for standard fasteners | --- **Competitive Advantages:** 1. **Top Quality Control:** We ensure every product meets the highest quality standards through rigorous inspection at all stages of production. 2. **Competitive Pricing:** Our cost-effective solutions help you save money without compromising on quality. 3. **Diverse Designs:** We offer a wide range of bolt types and sizes to meet different industrial needs. 4. **OEM Accepted:** Customized orders are welcome, and we can produce according to your specifications. 5. **Custom Logo & Design:** Your brand identity is important to us—custom logos and designs are available upon request. --- **About Ningbo Gangtong Zheli Fasteners Co., Ltd.** Ningbo Gangtong Zheli Fasteners Co., Ltd. is a leading manufacturer based in China, specializing in high-strength fasteners and various hardware products. Established in 2001, the company has grown rapidly, with its factory located in the Zhenhai Chemical Industrial Area of Ningbo and its headquarters and foreign sales office situated in the Jiangdong Eastern Business Center. The factory spans approximately 15,000 square meters and has a monthly production capacity of 2,000 tons. The company maintains a comprehensive research system, efficient supply chain management, large-scale warehousing, and advanced metal fastener technology. With annual sales exceeding $15 million, we have built a strong reputation in the global market. Our product range includes bolts, nuts, self-tapping screws, lag screws, threaded rods, studs, and washers, made from both carbon steel and stainless steel. These products are exported worldwide, including North America, Europe, Australia, Russia, Southeast Asia, and the Middle East. All our products strictly comply with international standards such as DIN, ANSI/IFI, JIS, BS, ISO, and GB. They are widely used in construction, bridges, oil pipelines, machinery, furniture, vessels, and railways. We adhere to the ISO 9001:2000 quality management system throughout the entire production process, from raw material testing to final inspection before shipment. Quality is the core of our business, and we continuously focus on improving product quality, enhancing employee awareness, and ensuring customer satisfaction. In case of any issues, we follow the 8D report system to thoroughly analyze and resolve problems. At Ningbo Gangtong Zheli Fasteners, we uphold the philosophy of “Employee is the cornerstone, Customer First, Technology Expert, Quality First.†We warmly welcome customers from around the world to establish long-term, win-win partnerships. Welcome to China, welcome to Gangtong Zheli Fasteners!
Stainless Steel: A2, A4 | | Finish | Plain, Black, Z.P., H.D.G. | | Packing | 25kg/box, 36 boxes/pallet | | Free Sample | Available for standard fasteners | --- **Competitive Advantages:** 1. **Top Quality Control:** We ensure every product meets the highest quality standards through rigorous inspection at all stages of production. 2. **Competitive Pricing:** Our cost-effective solutions help you save money without compromising on quality. 3. **Diverse Designs:** We offer a wide range of bolt types and sizes to meet different industrial needs. 4. **OEM Accepted:** Customized orders are welcome, and we can produce according to your specifications. 5. **Custom Logo & Design:** Your brand identity is important to us—custom logos and designs are available upon request. --- **About Ningbo Gangtong Zheli Fasteners Co., Ltd.** Ningbo Gangtong Zheli Fasteners Co., Ltd. is a leading manufacturer based in China, specializing in high-strength fasteners and various hardware products. Established in 2001, the company has grown rapidly, with its factory located in the Zhenhai Chemical Industrial Area of Ningbo and its headquarters and foreign sales office situated in the Jiangdong Eastern Business Center. The factory spans approximately 15,000 square meters and has a monthly production capacity of 2,000 tons. The company maintains a comprehensive research system, efficient supply chain management, large-scale warehousing, and advanced metal fastener technology. With annual sales exceeding $15 million, we have built a strong reputation in the global market. Our product range includes bolts, nuts, self-tapping screws, lag screws, threaded rods, studs, and washers, made from both carbon steel and stainless steel. These products are exported worldwide, including North America, Europe, Australia, Russia, Southeast Asia, and the Middle East. All our products strictly comply with international standards such as DIN, ANSI/IFI, JIS, BS, ISO, and GB. They are widely used in construction, bridges, oil pipelines, machinery, furniture, vessels, and railways. We adhere to the ISO 9001:2000 quality management system throughout the entire production process, from raw material testing to final inspection before shipment. Quality is the core of our business, and we continuously focus on improving product quality, enhancing employee awareness, and ensuring customer satisfaction. In case of any issues, we follow the 8D report system to thoroughly analyze and resolve problems. At Ningbo Gangtong Zheli Fasteners, we uphold the philosophy of “Employee is the cornerstone, Customer First, Technology Expert, Quality First.†We warmly welcome customers from around the world to establish long-term, win-win partnerships. Welcome to China, welcome to Gangtong Zheli Fasteners!
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