castle nut

English

Etymology

The projections resemble the turrets of a castle.

Noun

castle nut (plural castle nuts)

1. 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)