(3) or (4) Bolts...

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1989TransAm
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Re: (3) or (4) Bolts...

Post by 1989TransAm » Wed Dec 13, 2017 10:10 pm

You are right. The tensile strength of a AN bolt is about the same as a grade 5 bolt. However the biggest factor is that normal grade 5 and 8 bolts are designed for more of a tensile loading setup while an AN bolt is designed more for shear and is more flexible and has a much better fatigue factor.

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Pete1
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Re: (3) or (4) Bolts...

Post by Pete1 » Sun Dec 24, 2017 5:34 pm

As a last resort, you could have a machine shop make you a few from aircraft Hy-Tuff AMS 6425.
It is readily available and has tensile around 230K.

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