Optimized Tool Path 5/8" Alloy Steel Long

5/8" Diameter Alloy Steel Long (6XD-8XD): 2-1/2" 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:

5/8" Diameter x 2-1/2" Length of Cut x 5 Flute Alcrona Pro Coated Variable Pitch End Mill

5/8" Diameter x 2-1/8" Length of Cut x 5 Flute Alcrona Pro Coated Variable Pitch End Mill

5/8" Diameter x 2" Length of Cut x 5 Flute Alcrona Pro Coated Variable Pitch End Mill

5/8" Diameter x 1-5/8" Length of Cut x 5 Flute Alcrona Pro Coated Variable Pitch End Mill

Axial DOC 2-1/2" and Below
Radial DOC .050"
SFM 500
RPM 3,056
CLPT .004"
IPM 61.12
Metal Removal Rate 7.64

 *Do not use these Speeds/Feeds if you are not running an Optimized Tool Path