Voron M4 Files are mirrored from the original model by Maks Zolin to fit the interfacing of a Voron0.2.
Source: https://github.com/VoronDesign/Mobius-Extruder

"M4 Threaded Mod" option (recommended) by hartk1213:
Source: https://github.com/hartk1213/MISC/tree/main/Voron%20Mods/Extruders/M4%20Threaded
