DIN 439-1> DIN EN ISO 4036
| Old norm | DIN 439 | Unchamfered hexagon thin nuts; product grade B |
| Current norm: | DIN EN ISO 4036 | Hexagon thin nuts (unchamfered) - Product grade B |
| Current release: 2001-03 | ||
| Old norm | DIN 439 | Unchamfered hexagon thin nuts; product grade B |
| Current norm: | DIN EN ISO 4036 | Hexagon thin nuts (unchamfered) - Product grade B |
| Current release: 2001-03 | ||
