.... TRY the welding but I have never heard of that working well. I say GRIND the exposed stud flush or with a slight cup ....center a drill(1/8" or so) and drill it out ...then progressively go larger to the largest size that a GOOD square EZ out will fit ... then back it out slowly.
.... TRY the welding but I have never heard of that working well. I say GRIND the exposed stud flush or with a slight cup ....center a drill(1/8" or so) and drill it out ...then progressively go larger to the largest size that a GOOD square EZ out will fit ... then back it out slowly.