The Experts: The benefit of SC-washers

What is a SC-washer and when should I use it?

Nord-Lock has developed a range of washers specially designed for use in steel construction applications and to fit HV sets (bolts and nuts in accordance to the European standard EN 14399-4 / EN 14399-8), as the standard washers can’t be used (see picture). These washers are named “SC” (Steel Construction washers). Their purpose is to replace plain chamfered washers according to EN 14399-6 in order to add safety to high-strength structural preloaded assemblies encountered in steel construction, when exposed to dynamic loads or vibration.

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