Quote:
Originally posted by rcgbob44
as it has a courser (sic) thread than normal metric engine bolts and hence can work loose easier.
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Sorry but this simply isn't true. Stainless steel is a material, not a 'type' of bolt. Thread patterns are manufactured to to fixed standards: a metric coarse thread is a metrids coarse thread, whether the bolt is made from stainless steel mild steel, brass, or Plasticene.
That's not to say that you can't get a bolt in stainless with a different thread to normal metric coarse, but the idea that stainless threads are intrinsically different is just plain wrong.
And I re-iterate that even A4 stainless is nowhere near as strong as the stuff steel allen bolts are made from.