Ease outs suck juicy dead arctic gay diseased monkey buttholes. All they do is go into the hole and expand the fastener against whatever it's screwed into. Usually breaks the ease out off. Your best bet is to do what Del suggested. Stick a nut on top and build up weld until you weld it to the nut, then back it out. You have to be precise and not weld to the head, just weld the bolt to the nut.