COUPLING NUT – DIN 6334

🔩 Heavy-Duty Threaded Connectors for Extended Fastening Applications

DIN 6334 Coupling Nuts are elongated hexagonal nuts designed to connect two externally threaded components such as threaded rods or bolts. These nuts provide a strong, reliable method to extend the length of fasteners in construction, machinery, and industrial assemblies.

At National Fasteners, we manufacture DIN 6334 coupling nuts with precise internal threading and durable materials to ensure maximum strength and alignment in critical joints and assemblies.

🔧 Product Specifications:

• Standard: DIN 6334

• Size Range: M6 to M36

• Thread Type: Metric Coarse Thread

• Thread Tolerance: 6H

• Material Options:

  • Carbon Steel

  • Alloy Steel

Available Surface Finishes:

• Zinc Plated (Clear / Yellow)

• Black Oxide

• Hot-Dip Galvanized

• Phosphate Coated

• Plain (Self-Color)

⚙️ Key Features of DIN 6334 Coupling Nuts:

• Extended length design for securely joining threaded rods or bolts

• Hexagonal outer shape allows easy wrench application

• High-strength internal threading ensures robust connections

• Prevents thread damage during assembly and disassembly

• Available in multiple materials and finishes to suit various environments

• Ideal for alignment and repair in long fastener runs

🔩 Common Applications:

• Extending threaded rods in structural frameworks

• Machinery and equipment assembly

• HVAC and piping installations

• Electrical and telecommunications towers

• Construction and scaffolding

• Heavy-duty mechanical repair and maintenance

💡 Why Choose National Fasteners for DIN 6334 Coupling Nuts?

✅ ISO 9001:2015 Certified Quality Control
🧪 Comprehensive Testing for Thread Integrity & Material Strength
⚙️ Custom Sizes, Threads, and Finishes Available
🏭 Bulk Manufacturing with Fast Lead Times
🌍 Trusted Supplier for Domestic and Export Markets

📞 Request a Quote or Sample

Need reliable coupling nuts that meet DIN 6334 standards?
Contact us today for competitive prices, technical support, or custom manufacturing.

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