| Old norm | DIN 961 | M 8 × 1 to M 52 × 3 hexagon head bolts with fine pitch thread; product grades A and B |
| Current norm: | DIN EN ISO 8676 | Hexagon head screws with metric fine pitch thread - Product grades A and B |
| Current release: 2011-07 | ||
| Changes: | converted to ISO wrench sizes (M10, M12, M14 and M22) norm revised editorially |
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| Comment: | besides converted wrench sizes interchangeable | |
| Drawing: |  |
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| Ware groups: | ||
