1/8" Diameter Alloy Steel Regular (3XD-5XD): 1/2" LOC and Below. Here are the recommended End Mills as well as Speeds and Feeds for the Optimized Tool Path (like a VoluMill, DynamicMill or iMachining) in Alloy Steels like 4140, 4340 or 8620:
1/8" Diameter x 1/2" Length of Cut x 5 Flute Alcrona Pro Coated Variable Pitch End Mill
| Axial DOC |
1/2" and Below |
| Radial DOC |
.010" |
| SFM |
500 |
| RPM |
12,000 |
| CLPT |
.001" |
| IPM |
60 |
| Metal Removal Rate |
0.3 |
*Do not use these Speeds/Feeds if you are not running an Optimized Tool Path
