| Old norm | DIN 126 | Product grade C washers |
| Current norm: | DIN EN ISO 7091 | Plain washers - Normal series, Product grade C |
| Current release: 2000-11 | ||
| Changes: | nominal dimension 7 dropped nominal diameter 1.6 up to 64 mm (until now 1.6 up to 160 mm) nominal dimensions defined based on thread diameter (ISO); until now hole diameter (DIN) washer thickness for nominal dimensions 42, 45, 56, 60 and 64 has changed |
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| Comment: | interchangeable | |
| Drawing: |  |
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| Ware groups: | ||
