| Old norm | DIN 934 | Hexagon nuts with metric coarse and fine pitch thread; product grades A and B |
| Current norm: | DIN EN ISO 8673 | Hexagon nuts, style 1, with metric fine pitch thread - Product grades A and B |
| Current release: 2001-03 | ||
| Changes: | converted to ISO wrench sizes (M10, M12, M14 and M22) height of the nuts increased (M5 up to M39) stainless steel A4-50 and A4-70 assimilated |
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| Comment: | because of increased resistance to stripping ISO nuts are to be preferred | |
| Drawing: |  |
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| Ware groups: | ||
