Thread: AIRCRAFT QUALITY BOLTS
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Posted to rec.crafts.metalworking
Richard[_9_] Richard[_9_] is offline
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Default AIRCRAFT QUALITY BOLTS
On 2/7/2014 6:34 AM, wrote:

And using a grade 8 ot L99 bolt in place of the specified AN bolt MAY
also cause a failure. Better bolt? By spec, perhaps. In use? Perhaps
not. A grade 8 bolt MAY fail from vibration fatigue where the
"inferior spec" AN would not harden and crack.

Excellent point!
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