Products Description
Sanwei Fasteners is a professional bolt manufacturer and supplier, providing high-strength fastening solutions for construction, automotive, heavy machinery, and structural applications.
Our carbon steel hex flange head bolts integrate a washer flange beneath the head, increasing the bearing surface and improving load distribution. This unique design not only reduces the risk of loosening under vibration but also eliminates the need to purchase washers separately.
If you are seeking a reliable hex flange bolt supplier with consistent quality and ample production capacity, please contact us. We support OEM and custom orders worldwide.
Main Parameters
| Product name | Carbon Steel Hex Flange Head Bolt |
| Standard | DIN6921 |
| Grade | 4.8- 12.9 Ect |
| Material | carbon steel, stainless steel, etc. |
| Packing | Carton + Woven Bag +Pallet |
| Length | 3mm-3000mm |
| Surface treatment | ZP,YZ,BLACK |
| Place of origin | Hebei, China |
| Application | Building |
| Standard | ISO,DIN, ANSI/ASME, JIS ,GB, DIN, ISO, ANSI, BS, JIS, GB |
| Color | Customized Colors |
Our Products
Products Description
Product Features
Compared to standard hex bolts, carbon steel hex flange bolts offer the following advantages:
- Enhanced load distribution
- Reduced surface damage
- Improved anti-loosening performance
- Streamlined assembly time
Surface Treatment Options
We provide multiple surface treatment processes to meet diverse corrosion resistance requirements:
- Zinc-plated hex flange bolts
- Hot-dip galvanized flange bolts
- Blackened flange bolts
- Phosphated flange bolts
For other requirements, please email us. We will respond promptly and customize suitable products according to your project needs.
why choose us
Product Application
Bridge Construction: Utilizing high-strength bolts, nuts, and washers at critical connection points to ensure structural safety and stability.
High-Rise Buildings: Providing stainless steel fasteners in various specifications for exterior wall panels, curtain wall installations, and more.
Roads and Railways: Used for track laying, signal system installation and maintenance, ensuring safe and smooth transportation.
Our Certificate
Quality Management System Certification ISO 9001:2015: Sanwei Fasteners possesses the capability to consistently deliver products that meet customer requirements and relevant legal regulations.
IATF 1949:2016: The company has obtained quality management system certification from the International Automotive Task Force (IATF).
Production Equipment
1. Cold Forging Workshop: Equipped with advanced automated cold forging equipment, this workshop processes wire into finished bolts in a single operation.
2. Heat Treatment Workshop: The heat treatment workshop possesses various types of furnaces, including continuous quenching furnaces and tempering furnaces.
Production Market
Hebei Sanwei Fasteners Co., Ltd. has established a comprehensive domestic and international sales network to ensure products reach customers promptly. In the international market, the company exports products to numerous countries and regions across Europe, the Americas, Southeast Asia, and the Middle East, maintaining a stable overseas customer base.
FAQ
Q: Are you trading company or manufacturer?
A: We are trading company with cooperated factories.
Q: I need a customized fastener, but it's not on your website. What do I do?
A: Please send us your request with detailed drawings or photos, then we will make the quotation for you accordingly.
Q: How long for production?
A: It depends on your items and quantities. Usually, around 35 days for one 20 feet container.
Q: Can l visit your factory?
A: Yes! Warmly welcome to visit our factory. it would be Great if you can inform us inadvance.
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