Quote:
Originally Posted by leathermang
Stretch, this may be a matter of which side of the ocean one is on... I am not suggesting downgrading...
I thought that over here... Grade 8 was/is equal to ' aircraft quality '... but I will look it up to make sure... you know I would never suggest downgrading something like that...I might get accused of the opposite... over caution ... but never under...
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It was just one of those bolts that I undid and noticed that the strength was higher than the normal 8.8 that you find embossed on the heads of most of the bolts on a W123 / W201
8.8 seems to be "standard" or "a standard" high tensile requirement for most automotive manufacturers (metric fasteners). But sometimes certain things get a higher strength grade spec.