about harm of oil on thread (especially aluminum)

[Konstantine Bogach]

Yes, I discovered it today.  I bought a repair kit from a local store.
Insert tool looks cheap though, made of plastic. I am going to order
everything separately from industrial supplyer (McMaster).

Thank you.
Konstantin Bogach.

james accordino wrote:

> I don't know where you are, but in the U.S. most chain
> auto stores sell Helicoils in common metric thread
> sizes.  Ask me how I know.
>
> Jim Accordino
>
> --- Konstantine Bogach <kbogach at home.com> wrote:
> > Second time I screwed the thread trying to torque a
> > bolt to spec. I
> > don't remember what was the first time but this time
> > it was 6mm bolt
> > holding turbo oli supply line on oil filter housing
> > (aluminum).
> > Actually, I stripped the female thread in aluminum,
> > of course.  I did
> > not reach the torque spec.  Later I found oil in the
> > thread in
> > abundance.  Apparently,  deformation in material
> > goes easier with
> > lubricant and the thread is stripped before reaching
> > spec torque.  Does
> > anybody had such experience?
> > Is it well known to everyone except me?
> >
> > I need an advice how to fix this situation.  I don't
> > recall seeing
> > helicoil for 6mm thread. Does it exist? Stepped stud
> > would be perfect
> > probably, but where can I get it fast is US?
> >
> > Thank you in advance.
> >
> > Konstantin Bogach.
> >
>
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