We don’t seem to have a tool section so I will post it here. I failed to plug the threads for the nut plates on my fuselage when I painted it. I want to use thread chasers to clean them out. I found that the threads taper to help the screw lock in. A conventional thread chaser will destroy that. I can’t seem to find an aircraft specific set that takes this into account. Can you guys offer any insight or sources?