Quote:
Originally Posted by FWB
i see scary things here on this thread......
1) you should definitely be using grade 8 bolts on you suspension. with that being said, the correct ones that is,,,,,,the point of shear should not be where any threads are, it should be on a shoulder, a spacer should be used to create a crush or pull on the bolt equal to the downward force.
2) stainless hardware, is the weakest.....look at strengths. you will kill yourself with stainless bolts on your suspension. if designing a suspension is something you have never done...please please please consult with someone who has,.
jus' sayin'
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Both of these statements are false.
Just because it is a suspension component, does not mean it must be a grade 8 fastner. Go back and read the original post. You should choose the proper fastner for the specific application. A "one size fits all" way of thinking will cause problems. Using a grade 8 bolt in a single shear application is not a good idea; it will flex, and eventually fracture.
Stainless hardware is not the weakest. Ungraded fastners are the weakest, regardless of the material they are made of. You can buy grade 8 SS, and they have the same strength as every other grade 8 fastner.
As said above more than once, if you have not read Carroll Smith's book(s), you should. You'll find it very enlightening. At least, I did.