Macbeast
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| posted on 1/1/08 at 08:43 AM |
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Broken stud removal
I have an 8 mm exhaust manifold stud broken off flush with head casting.
I guess alternatives are drill out and re-tap or try extractor. Do the reverse thread extractor thingys from Halfords work ? I would hate to have a
hardened extractor break off in the hole.
Edit to add -
Hmm just done what I should have done in the first place - searched for topic. Seems extractors are not a good idea. Will probably do the drill and
re-tap solution.
BTW Happy New Year all and thanks for help in 2007.
[Edited on 1/1/08 by Macbeast]
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rusty nuts
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| posted on 1/1/08 at 09:49 AM |
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Get the welder out and lay a nut over the remains of the stud, weld it on and try undoing. the heat and being able to apply leverage may shift it . If
the nut shears off you can always weld on another. Works for me.
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Avoneer
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| posted on 1/1/08 at 10:11 AM |
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Yep - nut solution is good.
Weld on the inside of the nut though ;-)
Pat...
No trees were killed in the sending of this message.
However a large number of electrons were terribly inconvenienced.
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big_wasa
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| posted on 1/1/08 at 10:18 AM |
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Dont use easy outs,
It will break of in the stud meaning you wont be able to drill it out.
As above welding a nut on works well.
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madteg
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| posted on 1/1/08 at 10:32 AM |
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stud
IF THE WORST HAPPENS YOU CAN ALWAYS HELICOIL IT.
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Peteff
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| posted on 1/1/08 at 10:41 AM |
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If you can punch the centre of what's left then drill it with 3mm then 6mm and tap it out.
yours, Pete
I went into the RSPCA office the other day. It was so small you could hardly swing a cat in there.
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cjtheman
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| posted on 1/1/08 at 12:45 PM |
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at worst
it would cost you £25 to have it spark eroded
i had same prob with my cbr 600
after it was spark eroded i was able to reuse old thread just run a tap through it to clean
hth
colin
wanted
sunny weather
sva pass 12/6/09
taxed 16/6/09
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Macbeast
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| posted on 1/1/08 at 04:28 PM |
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Thanks guys. The stud has actually sheared below the surface of the face so nut welding (ooer ) is out
Guess it's the long drilling session then 
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