
External
Internal
Face
Parting Others
| P | Steel | |
| M | Stainless | |
| K | Cast iron | |
| N | Non-ferrous | |
| S | Superalloys | : First choice |
| Hard materials | : Second choice | |
| H | ||
| Coated |
| Designation | CW±0.05 | RE | INSL | |||
| ETX4-040 | 4 | 0.4 | z | 8 | ||
| ETX5-040 | 5 | 0.4 | z | 10 | ||
| ETX6-040 | 6 | 0.4 | z | 12 |
| P | Steel | |
| M | Stainless | |
| K | Cast iron | |
| N | Non-ferrous | |
| S | Superalloys | : First choice |
| Hard materials | : Second choice | |
| H | ||
| Coated |
| Designation | CW±0.05 | RE | INSL | |||
| EGM4-030 | 4 | 0.3 | z | 8 |
| ISO | Workpiece material | Hardness | Grade | Chipbreaker | Cutting speed Vc (m/min) |
| Low carbon steel S45C etc | - 300 HB | AH725 | ETX | 80 - 180 | |
| , . S15C, etc. | - 300 HB | AH725 | EGM | 80 - 180 | |
| Carbon steel, Alloy steel S55C t | - 300 HB | AH725 | ETX | 80 - 180 | |
| , ec. SCM440, etc. | - 300 HB | AH725 | EGM | 80 - 180 | |
| Prehardened steel NAK80 etc | - 300 HB | AH725 | ETX | 80 - 180 | |
| , . PX5, etc. | - 300 HB | AH725 | EGM | 80 - 180 | |
| Stainless steels SUS303 etc | - | AH725 | ETX | 50 - 120 | |
| , . SUS316, etc. | - | AH725 | EGM | 50 - 120 |