castle nut

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

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  • castle nut — noun Etymology: so called from the resemblance of its grooves to the crenels of a battlement : castellated nut * * * castle nut noun A six sided nut with six radial slots, two of which line up with a hole in the bolt or screw, a split pin… …   Useful english dictionary

  • castle nut. — See castellated nut. [1900 05] * * * …   Universalium

  • castle nut — British term for castellated nut …   Dictionary of automotive terms

  • castle nut. — See castellated nut. [1900 05] …   Useful english dictionary

  • Nut Rocker — Single by B. Bumble and the Stingers B side Nautilus Format 7 , 45rpm Length 1:59 Label Rende …   Wikipedia

  • nut — [1] A fastening device that is somewhat doughnut shaped with a number of flat surfaces on the outer rim and threads on the inner hole. Also see ball and nut ball worm and nut bolt and nut butterfly nut cap nut captive nut castellated nut castle… …   Dictionary of automotive terms

  • castle nuts — Castle shaped general purpose hexagonal nuts used for both airframes and aeroengines. Slots between the turrets lock the nut to the bolt with the cotter pin. See also cotter pin. Castle nuts …   Aviation dictionary

  • castle — See castellated nut …   Dictionary of automotive terms

  • Castellated nut — A castellated nut (also called a castle nut or a slotted nut) is a nut with slots (notches) cut into one end. The name comes from the nut’s resemblance to the crenellated parapet of a medieval castle. The bolt or axle has one or two holes drilled …   Wikipedia

  • castellated nut — noun : a nut with radial grooves in its upper face to receive a split pin passed through a hole in the bolt to prevent the nut from turning * * * a tall lock nut, having on its outer face radial slits allowing for insertion of a cotter pin or… …   Useful english dictionary