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 - A Lifetime of David Brown Tractors - by Samuel Kennedy. I was born in 1950 and reared on my family�s 100 acre farm. It was a fairly typical Northern Ireland farm where the main enterprise was dairying but some pigs, poultry and sheep were also kept. Potatoes were grown for sale and oats were grown to be used for cattle and horse feeding. Up to about 1958 the dairy cows were fed hay with some turnips and after that grass silage was the main winter feed. That same year was the last in which flax was grown on the farm. Flax provided the fibre which w
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