| Old norm | DIN 912 | Zylinderschrauben mit Innensechskant |
| Current norm: | DIN EN ISO 4762 | Zylinderschrauben mit Innensechskant |
| Current release: 2004-06 | ||
| Changes: | wrench size tolerances changed steel types A3 and A5 assimilated |
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| Drawing: |  |
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| Ware groups: | ||
