This nifty gadget uses electromagnetic fields to heat the metal directly. The heat loosens up the rust's grip, making it easy to twist off even the most stubborn nuts and bolts. If you're someone ...

Metal lathes are capable machines that played ... [Oleg] also machined three different brass nuts to go on the bolt with a fixed cutter. First left-hand and right hand threaded nuts were made ...

If you have a metal lathe just looking for some work, why not make your own lock nuts? That’s what [my mechanics ... is just a little too small for the bolt, and the bolt, being harder than ...