A machine shop with a milling machine would be be to mount the forks horizontally and then put either smaller milling cutter down the remains of the stem until its thin enough to break it up or if the have a cutter of the correct size mill the remains of the stem away.
If the stem is Aluminum then the caustic soda will work.
A machine shop with a milling machine would be be to mount the forks horizontally and then put either smaller milling cutter down the remains of the stem until its thin enough to break it up or if the have a cutter of the correct size mill the remains of the stem away.
If the stem is Aluminum then the caustic soda will work.