Castle nut

Noun

Word Frequency: 0.0

Definitions

1.NounA 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 cap nut acorn nut castellation cottar cob nut clevis pin bellcot keyhole crotchet capscrew bell cot

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