
Cutting Speed — Vc Recommended Feed Rate (f) by Diameter Range — m/min
Material Starting Tool Diameter
| Group | min | Value | max | (mm) | 16,0 | 20,0 | 25,0 | 32,0 | 40,0 | |
| 1 | 90 | 125 | 170 | mm/r | 0,19–0,45 | 0,25–0,48 | 0,25–0,52 | 0,28–0,57 | 0,29–0,60 | |
| 2 | 105 | 140 | 180 | mm/r | 0,23–0,46 | 0,28–0,50 | 0,30–0,52 | 0,33–0,57 | 0,35–0,60 | |
| 3 | 50 | 75 | 100 | mm/r | 0,23–0,46 | 0,28–0,50 | 0,30–0,52 | 0,33–0,57 | 0,35–0,60 | |
| P | ||||||||||
| 4 | 50 | 75 | 100 | mm/r | 0,19–0,45 | 0,22–0,48 | 0,25–0,50 | 0,28–0,55 | 0,29–0,58 | |
| 5 | 50 | 65 | 80 | mm/r | 0,16–0,32 | 0,18–0,36 | 0,22–0,42 | 0,24–0,46 | 0,25–0,48 | |
| 6 | 50 | 65 | 80 | mm/r | 0,16–0,32 | 0,18–0,36 | 0,22–0,42 | 0,24–0,46 | 0,25–0,48 | |
| 1 | 40 | 80 | 110 | mm/r | 0,11–0,26 | 0,13–0,28 | 0,13–0,32 | 0,14–0,35 | 0,15–0,37 | |
| M | 2 | 35 | 55 | 75 | mm/r | 0,11–0,26 | 0,13–0,28 | 0,13–0,32 | 0,14–0,35 | 0,15–0,37 |
| 3 | 20 | 35 | 50 | mm/r | 0,11–0,26 | 0,13–0,28 | 0,13–0,32 | 0,14–0,35 | 0,15–0,37 | |
| 1 | 60 | 95 | 170 | mm/r | 0,25–0,48 | 0,28–0,52 | 0,32–0,56 | 0,35–0,62 | 0,37–0,65 | |
| K | 2 | 60 | 75 | 90 | mm/r | 0,25–0,48 | 0,28–0,52 | 0,32–0,56 | 0,35–0,62 | 0,37–0,65 |
| 3 | 40 | 65 | 90 | mm/r | 0,21–0,44 | 0,23–0,48 | 0,25–0,50 | 0,28–0,55 | 0,29–0,58 |
NOTE: Through coolant recommended for greater than 3 x D applications. Material group M is recommended for secondary applications.