This touches on what you're talking about. If you have the time the entire video's a gem of history screw history touching on Nails going into screw coatings, d

This touches on what you're talking about. If you have the time the entire video's a gem of history screw history touching on Nails going into screw coatings, drives, etc. https://www.youtube.com/watch?v=N3jG5xtSQAo#t=5m05s https://www.youtube.com/watch?v=N3jG5xtSQAo#t=5m05s