| Old norm | DIN 982 | Prevailing torque type hexagon nuts with nonmetallic insert |
| Current norm: | DIN EN ISO 7040 | Prevailing torque type hexagon nuts (with non-metallic insert), style 1 - Property classes 5, 8 and 10 |
| Current release: 1998-02 | ||
| Changes: | nominal sizes M7, M18, M22 cancelled nominal sizes M3, M4, M30 and M36 assimilated 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 class 12 cancelled |
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| Comment: | besides wrench size interchangeable |
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| Drawing: |  |
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| Ware groups: | ||
