A detailed look at the custom external thread I cut for the Gear Cutter Arbor. This video goes over the details of cutting a thread on a Proxxon mini lathe, including full setup, and every detail of the cutting operation itself.
OnShape CAD model:
https://cad.onshape.com/documents/94c3778e40f06d1801108163/v/47999f6bd82928c854b422fa/e/cd2d7031893090c723db9a55
Materials:
42CrMo4 Hot Rolled Engineering Steel 30mm round bar
Machines:
Proxxon PD 250/e Lathe
Easy Lemon 30 Second by Kevin MacLeod is licensed under a Creative Commons Attribution license (https://creativecommons.org/licenses/by/4.0/)
Source: http://incompetech.com/music/royalty-free/index.html?isrc=USUAN1200078
Artist: http://incompetech.com/