BSN , Buddy , NO OFFENSE, but thats probably why you don,t run a machine shop anymore. Anyone who spends any real time in my trade will see good , well trained people make the slightest mistake and get hurt really bad or worse yet, hurt some one else. Do you guys even read the posts. When did I ever say I stripped a damn screw. I was trying to avoid something like that happening by asking an obviously knowledgeable man like Mr.Belk .But you could always ask Dakker , he seems to have all the answers.JUST JOKING DAKKER!