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Posted to rec.crafts.metalworking
Tom Gardner
 
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Default repairing stripped threads with JB Weld

Won't work, you're screwed!




"Emmo" wrote in message
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I have stripped out the threads in a 1/4" bolt hole in an aluminum
transmission case. I can't get a drill in there to be able to use a
heli-coil type of insert, and I have decided to use JB Weld to repair this
as the bolt that goes into this stripped hole just locates a bracket which
is held on securely by another, larger bolt. I haven't used JB Weld
before, but I am confident this is an appropriate situation to try it...

I checked out the website where it tells me to clean with acetone, no
problem. My question is how to proceed from there, assuming that I want
to be able to remove and replace the bolt after it cures.

Do I just force the epoxy mix into the hole and then jam the bolt in ? Or
should I coat the bolt with oil so the JB Weld doesn't bond to it? I am
worried that if I don't do something, when I unbolt the bolt, it might
pull the whole wad of epoxy out instead of unscrewing.

Thanx for not telling me not to strip out bolt holes in aluminum, I
already know that this is a bad thing!


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"All it took was all I had..."