With the nut securely in place, tack weld it onto the broken bolt in at least two places. After the nut is securely attached to the broken bolt, grab your ratchet or wrench and try to remove the ...

The hammer and chisel part is to break the bolt free from any corrosion or rust, but you'll still need something else to remove the broken shaft. Try Welding A Nut Onto The Exposed Shaft Our next ...