| Old norm | DIN 980 | All-metal prevailing torque type hexagon nuts |
| Current norm: | DIN EN ISO 10513 | Prevailing torque type all-metal hexagon nuts, style 2, with metric fine pitch thread - Property classes 8, 10 and 12 |
| Current release: 1998-02 | ||
| Changes: | nominal sizes M18x2, M18x1.5, M20x2, M22x2, M22x1.5, M27x2, M33x2 and M39x3 cancelled wrench size for M10 changed from 17 to 16 wrench size for M12 changed from 19 to 18 wrench size for M14 changed from 22 to 21 height of the nuts decreased sttandard threads cancelled |
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| Comment: | besides wrench size interchangeable |
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| Drawing: |  |
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| Ware groups: | ||
