HEX FLANGE BOLTS – DIN 6921

🔩 Integrated Flange Head Bolts for Secure, Vibration-Resistant Fastening

DIN 6921 Hex Flange Bolts are high-performance fasteners with a hexagonal head and an integrated washer-like flange, providing a larger bearing surface for load distribution and improved grip. These bolts are ideal for applications requiring a strong, secure joint without the need for a separate washer.

At National Fasteners, we manufacture and supply DIN 6921 flange bolts in a wide range of sizes, materials, and surface coatings, tailored to meet the demands of automotive, machinery, structural, and heavy equipment industries.

🔧 Product Specifications:

• Standard: DIN 6921

• Size Range: M5 to M20

• Thread Type: Metric (coarse)

• Threading: Full or Partial Thread

• Head Style: Hex Head with Integrated Serrated/Plain Flange

• Material Options:

  • Carbon Steel

  • Alloy Steel

Surface Finishes Available:

• Zinc Plated (Clear / Yellow)

• Hot-Dip Galvanized

• Black Oxide

• Phosphate Coated

• Self-Color (Plain)

⚙️ Key Features of DIN 6921 Flange Bolts:

• Integrated flange eliminates need for a separate washer

• Serrated flange option helps prevent loosening due to vibration

• Even load distribution reduces risk of surface damage

• Hex head allows high torque application

• Available in both full and partial thread variants

• Complies with DIN 6921 standard for dimensional consistency

🚗 Common Applications:

• Automotive engine and chassis assemblies

• Agricultural and construction equipment

• Machinery and industrial enclosures

• Sheet metal fastening

• Structural steel joints

• Transmission and gear assemblies

💡 Why Choose National Fasteners for DIN 6921 Flange Bolts?

✅ ISO 9001:2015 Certified Manufacturer
🧪 Strict In-House Testing – Hardness, Thread Accuracy, Coating Thickness
⚙️ Custom Sizes, Coatings, and Packaging Options
🏭 Large-Scale Production for OEMs and Distributors
🌍 Global Exports with Timely Delivery

📞 Request a Quote or Sample

Looking for DIN 6921 hex flange bolts that meet exact technical specifications and quality standards?
Contact us today for competitive pricing and bulk order support.

👉 Request a Quote | 📧 sales@nationalfasteners.in | 📞 +91 70093-08799