Threads are cut so that all "surfaces" should be in contact.
I've at least picked this up from the mechanical engineers at work.
should be
Yes, should be, if everything is perfect. Nothing is perfect, and commodity fasteners are a really long way from it.
Yes nothing is perfect but the concept of screwed fasteners is that all the teeth mesh in the bolt and nut to make the connection.
Don't be such an arse.
@gbj_tester started
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Threads are cut so that all "surfaces" should be in contact.
I've at least picked this up from the mechanical engineers at work.