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I don't know how much access you have to the bolt but, I usually place a flat washer over the broken bolt and weld it to the bolt. Assuming you have enough there. Then I weld a nut to the washer. Let it cool and "usually" it will spin out. Drilling it and using an easy out sometimes works. Not my first choice though.
I don't know how much access you have to the bolt but, I usually place a flat washer over the broken bolt and weld it to the bolt. Assuming you have enough there. Then I weld a nut to the washer. Let it cool and "usually" it will spin out. Drilling it and using an easy out sometimes works. Not my first choice though.
This is an excellent approach! I have been staring at a rusted and broken off bolt in my radiator support bracket for some months now. The welded washer may be just the ticket. I imagine the heat will crack the rust as well.
This is an excellent approach! I have been staring at a rusted and broken off bolt in my radiator support bracket for some months now. The welded washer may be just the ticket. I imagine the heat will crack the rust as well.
This is usually the method i use also , as you say the heat from welding usually cracks the bolt loose .
I've had stuck bolts screw out almost with no effort at all after using this method .
If you broke it putting it back in it's usually just a flawed bolt or too much muscle which means it's not likely seized in the threads so a reverse drill bit should walk it out if not you already have the hole for an easy out . I personally only use welding as a last resort although as mentioned welding works well with rusted in - seized bolts .
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