Mark and Kim Smith wrote:

Slotted
nuts are used on truck and automotive spindles, not Castellated nuts.
There is a difference.

Oh I have a story about those, involving a boss's VW, a rear tire, a
cotter pin, an intersection, and the front fender of an innocent SUV.

And it's wood related, because I was on summer break in college helping
someone build their home.

er
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