Tapping Under Power on the Milling Machine and Lathe

Tapping holes is one of the more common operations done in a machine shop and tapping under power allows you to keep the tap straight and accurately placed on the hole, plus it is a lot faster than tapping by hand. Also check out my video on making consistent countersinks and spot drills here: https://www.youtube.com/watch?v=AzQ8LC1I6G4