
Grade Priorities for Solid Carbide Endmills
| ISO P | ISO M | ISO K | ISO N | ISO S | ISO H | |||
| 1 - 11 | 12 - 13 | 14 | 15 - 20 | 21 - 28 | 31 - 37 | 38 - 41 | ||
| Material Gr | oups | Steel | Stainless Steel Ferritic & Martensitic | Stainless Steel Austenitic & Duplex (Ferritic- Austenitic) | Cast Iron | Nonferrous | High Temp Alloys | Hard Steel & Hardened Cast Iron |
| Solid & | Harder | IC702 | IC702 | IC902 | IS6 | IS6 | IC702 | |
| MULTI-MASTER | IC902 | IC902 | IC903 | IC902 | IS902 | IC903 | ||
| Endmills | IC903 | IC903 | IC903 | IC903 | ||||
| IC608 | IC608 | IC608 | IC608 | IC900 (908) | IC608 | |||
| IC900 (908) | IC900 (908) | IC900 (908) | IC900 (908) | IC300 (308) | IC900 (908) | |||
| Roughing/ Semi-Finishing | Tougher | IC300(308) | IC08 | IC08 | ||||
| Coolant | N | Y | Y | N | Y | Y | N | |
| Solid & | Harder | IC702 | IC702 | IC902 | IS6 | IC902 | IC702 | |
| MULTI-MASTER | IC902 | IC902 | IC608 | IC902 | IC903 | IC902 | ||
| Endmills | ||||||||
| IC903 | IC903 | IC300(308) | IC903 | IC900(908) | IC903 | |||
| IC608 | IC608 | IC608 | IC608 | |||||
| IC900(908) | IC900(908) | IC900(908) | IC900(908) | IC900(908) | ||||
| IC08 | ||||||||
| Finishing | Tougher | IC08 | ||||||
| Coolant | N | Y | Y | N | Y | Y | N |
First choice * SiAiON grade ** First choice for trochoidal milling