supplementary nut that is screwed down on a primary nut to prevent it from loosening
{i} thin nut which is screwed up tightly on another nut in order to prevent it from getting loose
a type of nut that features a nylon insert that helps grab the threads of a shaft or bolt, helping to prevent the nut from loosening
A type of nut that features a nylon insert that helps to "grab" the threads of a shaft or bolt, helping prevent the nut from loosening Commonly used on axles and other critical areas of R/C cars