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

quote:
'Electronic Disintigrator'

I have used these in the past. The particular model I have used was a "head" mounted to a drill press style feed.
The disintigrator uses a hollow sacrifical tube to ping away the said bolt or broken tool in the hole. Coolant flows through the sacrifical tube for cooling and washing away the waste materials. These tubes come in various sizes to fit the particular job being performed. I have taken the head of the disintigrator off of the feed unit and used freehand on jobs that the unit could not be mounted due to location interferences.
Good luck on finding one.
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