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MEXICOWANDERER's avatar
MEXICOWANDERER
Explorer
Mar 31, 2018

When You REALLY Don't Want A Bolt Or Nut Backing Off...

Ramp-Lock Lock Washers The principle is simple Tightening the fastener the washer halves go "click-click-click" as they revolve against one another. Trying to back off the fastener, spe...
agesilaus's avatar
agesilaus
Explorer III
Mar 31, 2018
Looks like lug nuts on Ford vehicles. They have the same ribbed construction on the nut to rim surface.

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