lock nut
Americannoun
-
a nut specially constructed to prevent its coming loose, usually having a means of providing extra friction between itself and the screw.
-
Also called jam nut. a thin supplementary nut screwed down upon a regular nut to prevent its loosening.
Etymology
Origin of lock nut
First recorded in 1860–65
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The lock nut survived the last check, so back it goes on the bearing again.
From New York Times ● May 5, 2010
Be sure to check the manufacturer's specified torque specs to torque down the axle nut and lock nut appropriately.
From Time Magazine Archive
To lock the setting into place, retighten the 4mm Allen first, and then tighten the 12mm lock nut.
From Time Magazine Archive
A pan-head bolt and a lock nut could be used instead of a lag bolt if you have access to the underside of the mounting surface.
From Time Magazine Archive
A lock nut is necessary to fasten the screw when proper adjustment is secured.
From The Boy Mechanic: Volume 1 700 Things for Boys to Do by Popular Mechanics Co.
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
