1/2" Diameter Alloy Steel Regular (3XD-5XD): 1-5/8" 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:
1/2" Diameter x 1-1/2" Length of Cut x 5 Flute Alcrona Pro Coated Variable Pitch End Mill
1/2" Diameter x 1-5/8" Length of Cut x 5 Flute Alcrona Pro Coated Variable Pitch End Mill
| Axial DOC |
1-5/8" and Below |
| Radial DOC |
.045" |
| SFM |
500 |
| RPM |
3,820 |
| CLPT |
.004" |
| IPM |
76.40 |
| Metal Removal Rate |
5.58 |
*Do not use these Speeds/Feeds if you are not running an Optimized Tool Path
