[quote=pknapp66]The most important part of this process is not heating up the bolt that you are drilling. Stainless will work harden in a heart beat and will make it very difficult to drill. Go as slow as possible and keep stopping to let
everything cool down. Best luck that I have had drilling stainless is to use plain water as a coolant and plenty
of it. Take your time and expect to helicoil the hole. You most likely galled the threads and locked the bolt
and then broke it. The easy out extractor won't get as good a bite as you had with a wrench or socket. Sometimes you can get lucky and drill the bolt very close to the threads and collapse it inward and pick it out.
Good luck with it.[/quote]
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