Re: 5,8,10 grade bolts RE: 2 questions

[Martin Pajak <quattro@rogerswave.ca>]

Avi;
You must be talking about imperial fasteners.
In Metric it's usually 8.8 , 10.9 and 12.9 grades.
To give example Porsche wheel studs are 10.9 grade while bolts holding the
calipers on my 4kq are 12.9 grade (original bolts from 5kt).
There is also 12.9 "unbreakable" assortment of bolts.

HTH


Avi Meron wrote:

> You will have a hard time finding 10 grade bolts anywhere
> ......................most automotive is 5 grade, sometime 8 grade but that
> is usually the max....
> Avi
>
>
>
> Pep boys sells grade-10 metric bolts that worked well for me. I just
> kept using the same rusty flange, though...



--
Martin Pajak

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1982 Audi Coupe Turbo (475,000 km)
1982 Audi Coupe Quattro (155,000 km) Coupe with 4kq floor
1986 Audi 4000 S Quattro (351,000 km) with 5 bolt pattern

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