Starter stud

Another option would be (IF you can find one) a push on wire end similar to what used to be on Ferd starter solenoids. They used the same/ similar studs, with a 90 degree connector

Geez, 9 bucks??? Maybe not

ford starter solenoid connector - Google Search

good idea ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
if u try to cut new threads and turn it , it will have to come apart anyway.