Reply to "Snapped bolt in block - how deep can this be drilled?"

jeffsmachine (Guest)

I would first grind a flat area on the end with a carbide burr in a pencil grinder.Then carefully center punch a mark right down the middle to give You a new start.Get some left hand drill bits starting about .125.Slowly work Your way up in drill sizes,and eventually a drill bit should grab and spin it right out without damaging threads.Mcmaster Carr for bits if You cant find them local

5/14/108:24 AM

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