How screws are made. We've seen a lot of manufacturing videos here in Tool Talk, but nothing like this one from INDUSTRIAL JP.
https://www.youtube.com/watch?v=NLIP2yMHfPM
Previously:
https://www.homemadetools.net/forum/...890#post124554
https://www.homemadetools.net/forum/...900#post124623
https://www.homemadetools.net/forum/...902#post119677