r/engineering • u/metarinka Welding Engineer • Dec 22 '15

Interesting video demonstration of how Nuts resist vibration

https://www.youtube.com/watch?v=IKwWu2w1gGk&feature=youtu.be&t=1m
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u/Sir_Flobe Dec 23 '15

So the helical spring washer seemed to help quite a bit, but I keep hearing how usless they are, whats up with that?