
| MILLING GRADES – OVERVIEW | |
| Substrate | |
| H | WC-Co based substrate |
| submicron H | WC-Co based substrate, fine-grained (< 1 µm) |
| ultra submicron H | WC-Co based substrate, very fine-grained (< 0.5 µm) |
| S | Substrate with cubic carbides |
| Coating | |
| MT-CVD | Medium-temperature chemical method of coating |
| PVD | Low-temperature physical method of coating |
| × | Uncoated grade |
| Coolant Benefit | |
| - - - | Very negative effect on tool life – cooling is not recommended |
| - | Slightly negative effect on tool life |
| + / - | Influence of cooling may be both positive and negative – decisive factor is specific working conditions |
| + + | Positive effect on tool life – cooling is recommended |
| Attribute Strength |
Level 1 – 5