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Re: AIRCRAFT GRADE BOLTS VS SAE GRADE


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Posted By<" ">Neil Moran on May 09, 2002 at 15:07:33:

In Reply to: AIRCRAFT GRADE BOLTS VS SAE GRADE posted bymark kohut on May 09, 2002 at 11:33:19:

Hi Mark,

I think any grade 7 SAE bolt is no different from any grade 7 aircraft bolt.
Yield (proof) strength 105000lb/in^2
Ultimate strength 133000lb/in^2

Aircraft bolts are just tested in much smaller batches than ordinary commercial bolts.
But be careful, because an aircraft AN7 bolt refers to it's size (ie its diameter is 7/16" and an AN5 is 5/16") and not its strength!!!

Regards,
Neil Moran




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