Quote:
Originally Posted by supradupe
nuts have a slightly oval kind of shape on one end to achieve the locking purpose, and once it's threaded to a bolt, the oval shape gets conformed to the bolt's round shape and the transformation is not reversable (like the Nyloc nuts).
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If you try the old ones and they go on tight, in other words they go on by hand until you get to the oval part and then you have to use a wrench they are probably ok to reuse, that's what I do. But if they go on loosely thru the oval part of the nut without having to use a wrench they need to be replaced.