6-jaw chuck - video

6-jaw chuck. By Ca Lem. 25:21 video:

https://www.youtube.com/watch?v=OqwnOn-XhQI

Amazing work. I question the heat treatment though. I feel like they lost at least a few thou accuracy there.

Part 2. By Ca Lem. 28:13 video:

https://www.youtube.com/watch?v=65K3QryCoQk

This young man is 21. And smart as a whip.