DIN 963 > DIN EN ISO 2009
| Old norm | DIN 963 | Slotted countersunk head screws |
| Current norm: | DIN EN ISO 2009 | Slotted countersunk flat head screws - Product grade A |
| Current release: 1994-10 | ||
| Changes: | threads < M1.6 and > M10 cancelled grade 8.8 cancelled thread length changed |
|
