Assembly:
- screw tip
- backflow ring
- support ring
Assembly:
| NITRIDED | HARDENED | CPM | |
| Diameter in mm | 20 ÷ 500 | 20 ÷ 500 | 20 ÷ 500 |
| Nitrided layer depth in mm | 0.5 ÷ 0.7 | – | – |
| Weld thickness in mm | – | Hardened throughout the whole cross-section | |
| Hardness | 950 ± 80 HV | 60 ÷ 64 HRC | 58 ÷ 61 HRC |
