DIN 6923 Hex Flange Nuts
DIN 6923 specifies hexagon flange nuts with an integrated washer face that distributes load evenly across the bearing surface. The flange eliminates the need for separate washers, simplifying assembly while providing enhanced resistance to loosening under vibration.
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Product introduction
DIN 6923 specifies hexagon flange nuts with an integrated washer face that distributes load evenly across the bearing surface. The flange eliminates the need for separate washers, simplifying assembly while providing enhanced resistance to loosening under vibration.
Common Specifications
| Materials | Carbon steel |
| Class | 5, 6, 8, 10 |
| Range | M3 – M24 |
| Thread | Coarse , Fine, Extra Fine, Special-Fine |
| Surface | Plain, zinc plated, hot-dip galvanized, GEOMET, ZINC-NICKLE, DACROMATE etc. |
Key Features
- Integrated flange eliminates need for separate washers
- Available with or without serrated locking teeth
- Larger bearing surface reduces pressure on connected materials
- Conforms to DIN 6923dimensional specifications
- Suitable for high-vibration applications when serrated version selected
Application industry
- Automotive chassis and body assemblies
- Machinery and equipment manufacturing
- Electrical enclosures and panels
- Plumbing and pipe connections
data table
| Size | M3 | M4 | M5 | M6 | M8 | M10 | M12 | M14 | M16 | M20 | M24 |
| Coase | 0.5 | 0.7 | 0.8 | 1 | 1.25 | 1.5 | 1.75 | 2 | 2 | 2.5 | 3 |
| Fine | 0.35 | 0.5 | 0.5 | 0.75 | 1 | 1.25 | 1.5 | 1.5 | 1.5 | 2 | 2 |
| Extra Fine | 0.75 | 1 | 1.25 | 1 | 1 | 1.5 | 1.5 | ||||
| s Min (mm) | 5.30 | 6.80 | 7.78 | 9.78 | 12.73 | 14.73 | 17.73 | 20.67 | 23.67 | 29.67 | 35.00 |
| s Max (mm) | 5.50 | 7.00 | 8.00 | 10.00 | 13.00 | 15.00 | 18.00 | 21.00 | 24.00 | 30.00 | 36.00 |
| e Min (mm) | 5.99 | 7.68 | 8.79 | 11.05 | 14.38 | 16.64 | 20.03 | 23.36 | 26.75 | 32.95 | 39.55 |
| m Min (mm) | 3.20 | 4.20 | 4.70 | 5.70 | 7.60 | 9.60 | 11.60 | 13.30 | 15.30 | 18.90 | 23.70 |
| m Max (mm) | 3.50 | 4.50 | 5.00 | 6.00 | 8.00 | 10.00 | 12.00 | 14.00 | 16.00 | 20.00 | 25.00 |
| dc Max (mm) | 8.00 | 10.00 | 11.80 | 14.20 | 17.90 | 21.80 | 26.00 | 29.90 | 34.50 | 42.80 | 50.00 |
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