Wish I could answer your questions but unfortunately at this time I can't. My machinist friend just got my one sample recently and will get back to me after he has assessed what's involved. I've never rushed him in 25 years and don't plan on changing that, I would expect I will have my answers in a week or two. I can't answer for him but I personally don't see the point of processing a grade 8 bolt further? What would be the point?