| Series | Description | | |
| 177 | TuffCut® XR 4 Flute End Mill | Uniquely designed heli-pitch grinding geometry promotes continual, vibration free cutting regardless of depth of cut or width of cut |  |
| 177L | TuffCut® XR 4 Flute Extended Reach End Mill | Uniquely designed heli-pitch grinding geometry promotes continual, vibration free cutting regardless of depth of cut or width of cut |  |
| 177S | TuffCut® XR 4 Flute End Mill | Uniquely designed heli-pitch grinding geometry promotes continual, vibration free cutting regardless of depth of cut or width of cut |  |
| 178 | TuffCut® XR 5 Flute End Mill | Uniquely designed heli-pitch grinding geometry promotes continual, vibration free cutting regardless of depth of cut or width of cut |  |
| 178N | TuffCut® XR 5 Flute End Mill | Uniquely designed heli-pitch grinding geometry promotes continual, vibration free cutting regardless of depth of cut or width of cut |  |
| 179 | TuffCut® XR 4 Flute Ball Nose End Mill | Uniquely designed heli-pitch grinding geometry promotes continual, vibration free cutting regardless of depth of cut or width of cut |  |
| 179L | TuffCut® XR 4 Flute Ball Nose Extended Reach End Mill | Uniquely designed heli-pitch grinding geometry promotes continual, vibration free cutting regardless of depth of cut or width of cut |  |
| 278 | TuffCut® XT 5 Fl End Mill | Enhanced Corner Protection |  |