| Old norm | DIN 6915 | Hexagon nuts with large widths across flats for high strength structural bolting |
| Current norm: | DIN EN 14399 | High-strength structural bolting assemblies for preloading - Part 4 |
| Current release: 2006-06 | ||
| Changes: | Mutter als Teil einer Garnitur festgelegt. Bezeichnung geändert. |
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| Drawing: |  |
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| Ware groups: | ||
