There was a link to a very in-depth fastener article in an S/T thread a year or so back. Among other eye-openers, the researchers discovered that a standard type lock washer had negative anti-loosening value...
If you ponder the not-uncommon 'lock washer over a flat washer' situation, it's clear that the best that could be expected would be for the flat washer rather than the bolt head to turn on the component...
connecting rod fastener locking device
Moderator: Team
Re: connecting rod fastener locking device
Felix, qui potuit rerum cognscere causas.
Happy is he who can discover the cause of things.
Happy is he who can discover the cause of things.
Re: connecting rod fastener locking device
A flanged nut or bolt is usually superior, with or without washer.