DIN 6923 Flange Nut Hot Dip Galvanized Grade 8
| Product Name: | Flange Nut DIN 6923 Hot Dip Galvanized Grade 8 |
| SKU: | HN-012 |
| Price: | USD0.003 - USD0.289 / piece |
| MOQ: | 500 pieces (Min. Order) |
| Availability: | In Stock |
| Package: | BOX/Bag/Carton/Customized |
| Port: | Tianjin Port |
| Supply Ability: | 500000 pcs per month |
| Lead Time: | 7-30 days after deposit |
Acceptance:
OEM/ODM, Trade, Wholesale, Regional Agency
Payment:
30% Down Payment by TT + 70% Balance Before Shipment
Product Description
Our Hot Dip Galvanized (HDG) Flange Nut is built for projects that demand maximum durability against the elements. Manufactured to the DIN 6923 standard and heat-treated to Grade 8 strength, this nut features an integrated, serrated flange that bites into surfaces to create a permanent, vibration-resistant lock, eliminating the need for a separate washer. The hot-dip galvanizing process coats the entire nut in a thick, rugged layer of zinc, providing exceptional sacrificial protection against rust and corrosion, making it ideal for decades of service in the harshest outdoor, industrial, and marine environments. From structural steel and bridges to highway safety systems and utility infrastructure, this nut delivers unmatched reliability and long-term performance.
Technical Specifications
| Parameter | Specification | Parameter | Specification |
|---|---|---|---|
| Standard | DIN 6923 | Nut Style | Hex Flange Nut with Serrations |
| Drive Type | Wrench/Socket | Property Class | Grade 8 (Metric Class 8) |
| Coating / Finish | Hot Dip Galvanized (HDG) | Coating Thickness | ~55-85 µm (Typical) |
| Material | Medium Carbon Steel, Quenched & Tempered | Proof Load Stress | 580 MPa |
| Hardness | 22-32 HRC | Serrations | Concentric, on flange bearing surface |
| Corrosion Resistance | Excellent (Salt Spray Test: 1000+ hours to red rust) | Standard Compliance | ISO 1461 (Hot Dip Galvanizing) |
Product Size (Hot-Selling Models for Middle East, Central & Southeast Asia)
We stock the sizes most critical for heavy-duty structural and infrastructure projects.
| Thread Size (Metric) | Across Flats (mm) | Across Flats (Inch) | Flange Diameter (mm) | HDG Coating Thickness (µm, min) |
|---|---|---|---|---|
| M12 | 18 mm | 11/16″ | 30.7 mm | 55 |
| M16 | 24 mm | 15/16″ | 39.4 mm | 55 |
| M20 | 30 mm | 1-3/16″ | 50.0 mm | 70 |
| M24 | 36 mm | 1-7/16″ | 60.0 mm | 70 |
| M30 | 46 mm | 1-13/16″ | 72.0 mm | 85 |
Note: The M16, M20, and M24 sizes are our top sellers for structural steel and bridge work. All dimensions comply with DIN 6923. Custom sizes and large project packaging available.
Application Scenarios
This nut is engineered for the most demanding outdoor and structural applications:
- Structural Steel Construction: Essential for bolted connections in steel buildings, warehouses, and industrial facilities exposed to the elements.
- Bridge and Highway Infrastructure: The standard for bridge railings, expansion joints, signage gantries, and highway guardrail systems.
- Utility and Transmission Towers: Critical for power line tower assembly, telecommunication masts, and substation structures requiring long-term, maintenance-free performance.
- Heavy-Duty Fencing and Security: Ideal for perimeter fencing, security gate hinges, and border wall construction.
- Outdoor and Marine Equipment: Used in dock construction, harbor equipment, marina fixtures, and offshore platform access structures.
- Transportation and Rail: Specified for rail track fastening systems, freight car components, and logistics infrastructure.