castle nuts

A form of castle nut — 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.

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Meanings

noun
  1. pluralplural of castle nut
Cite this entry
APA

castle nuts. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/castle%20nuts

MLA

“castle nuts.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/castle%20nuts. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “castle nuts,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/castle%20nuts.

Source: castle nuts on Wiktionary, CC BY-SA 4.0.