A Locknut is usually a thin nut, used as a supplementary nut that is screwed
down on a primary nut on the same bolt or screw, in order to prevent
accidental unscrewing of the first nut.

Another type of locknut is for example a self-locking nut. This one is for
realisation of the above described function, without using an additional
nut. This locknut contains the locking mechanism in one handled component to
be used easy. This type of locknut is normally equipped with a fine thread
and used for example on spindles, shafts, machine superstructure and die
sets. The range of application possibilities varies from turning centres,
milling machines, grinding machines, or even printing presses up to handling
equipment for automation and production lines. As these locknuts are a
preferred choose for high demands on quality and accuracy, they are also
often used for applications with high requirements on rigidity and high
levels of dynamic safety.


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 Locknuts