castle nut

English

Etymology

The projections resemble the turrets of a castle.

Noun

castle nut (plural castle nuts)

A nut with rounded extensions projecting past the nut's opening. A cotter pin is inserted through a hole in the bolt and bent around the castle nut's projections to lock the nut in place.

Synonyms

castellated nut

Translations

nut with rounded extensions projecting past the nut's opening

Danish: kronemøtrik c
Finnish: kruunumutteri
Manx: cro cashtal m

See also

Castellated nut on Wikipedia.Wikipedia (image available)

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