What are the recommended end mills for stainless steel?
When used in a machining center, it is recommended to use a helix angle that is stronger than the standard 30° twist.
For carbide end mills, we have the AE-VM series, and for high-speed end mills, we have V-XPM-Hi-Helix specifications.
For general-purpose machines and thin plate processing, it is not high helix , but WXL series for carbide end mills, V-XPM series for high-speed end mills, TIN coating series, etc.
Reference: Material Compatibility Table by Carbide End Mill Shape
Reference: High-end mill shape by material correspondence table