Optimized Tool Path 3/8" Tool Steel Regular

3/8" Diameter Tool Steel Regular (3XD-5XD): 1" 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 Tool Steels like A2, H13, P20 & S7 (36 HRc and Below):

3/8" Diameter x 7/8" Length of Cut x 5 Flute Alcrona Pro Coated Variable Pitch End Mill

3/8" Diameter x 1" Length of Cut x 5 Flute Alcrona Pro Coated Variable Pitch End Mill

Axial DOC 1" and Below
Radial DOC .025"
SFM 350
RPM 3,565
CLPT .004"
IPM 71.3
Metal Removal Rate 1.78

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