| Material Groups | ISO P | ISO H | ISO M | ISO S | ISO K | ISO N |
| 1-11 | 38-41 | 12-14 | 31-37 | 15-20 | 21-28 | |
| Steel | Hard Steel | Stainless Steel | High Temp | Cast Iron | Nonferrous | |
GROOVE-TURN |
Harder IC20N IC807 IC808(908) IC8250 IC830 Tougher |
Harder IB10H IB50 IC20H IC807 IC808 Tougher |
Harder IC807 IC808(908) IC830 Tougher |
Harder IC806 IC807/907 IC07 IC20 IC908 IC08 Tougher |
Harder IC5010 IC428 IC8250 Tougher |
Harder ID5 IC20 Tougher |
