Yes, this is more of a best practise design question.
Where it came from, is the company I'm working for has a historical convention of using the next number drill larger than the bolt, which results in a clearance hole that's actually got less clearance than the positional tolerance on the...
I've got a basic nuts and bolts engineering question for the mechanical engineers.
In a thin sheet metal bolted joint using an anchor nut (nut plate), where fatigue and vibration are critical, how big a clearance hole for the bolt should you put in the sheet metal to ensure a reliable joint?
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