Making a Custom Tap on the Proxxon PD 250 e Lathe
Channel: اخبار المشاهير
Date: 19/12/2019

Making a tap is well within the reach of a home machinist, and I needed a very unusual tap to try and repair my G Boley watchmakers lathe. After watching a few other YouTubers' videos on the subject, I jumped in and made a tool which successfully cuts a thread.
https://www.youtube.com/watch?v=1njrXgu_IBg&list=WL&index=77&t=0s