Pins with conical notches 1/2 length inverted (Kerb)
- Classe:
- High speed steel lead
- Passo:
- Famiglia:
- Q9000
- UNI:
- 7589
- DIN:
- 1474
- ISO:
- 8741
- The three different sets of rules are not identical. In practice, the differences generally allow for either use in most cases. The table refers to the ISO.