| Serie | Diámetro del orificio | La estructura de la variante |
| 61800 | 10-1200 | Z,Z,2RZ,2RZ |
| 61900 | 10-1000 | Z,Z,2RZ,2RZ,N,N,Zn,RZN |
| 16000 | 10-1000 | |
| 6000 | 10-1000 | Z,Z,2RZ,2RZ,RS1,2RS1,N,N,Zn,RZN |
| 6200 | 10-1400 | Z,Z,2RZ,2RZ,RS1,2RS1,N,N,Zn,RZN |
| 6300 | 10-1200 | Z,Z,2RZ,2RZ,RS1,2RS1,N,N,Zn,RZN |
| 6400 | 10-1200 | N,no. |
| Miniture | 1-10 | 2Z,R,2R,F60000 |