I never had much problems getting a broke bolt out of cast iron.I never resorted to the torch anymore cause nine out of ten times the treads get burned.
when the bolt is broke at or above the surface then welding a nut to it is often enough to twist them out, sometimes a second or third try is needed if the nut comes off but out they come.
When the bolt is broken a little deeper in and the tread is damaged i drill the hole up a bit to get the treads out of the way then i build them up with welding til i can weld a nut to it.
If that don't work then i drill them out with a bushing the size of the finaldrill centered over the hole and bolted to the casting guide to start a center and for the final pass.
I only use an easy out if the stub appears to be loose enough to avoid breaking the stupid useless things.
This post was edited by bison at 22:40:23 05/30/15.
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Today's Featured Article - Hydraulic Basics - Part 2 - by Curtis Von Fange. In the last entry to this series we gave a brief overview of hydraulic system theory, its basic components and how it works. Now lets take a look at some general maintenance tips that will keep our system operating to its fullest potential. The two biggest enemies to a hydraulic system are dirt and water. Dirt can score the insides of cylinders, spool valves and pumps. Wate
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