best tool for scrapping is a 4 1/2" grinder with a 6" cutting disc
Stick bolt? Gone in less then 60 seconds
Did AC window units the other day. Lots of rusted head screws holding the outside case on. All gone in less then a minute.
Cord still attached? Gone
Removing the copper tubing? Gone
Time to clean up the coils to get that strip of metal off? Gone