This item cannot be shipped to the following state(s): AK,GU,HI,PR,VI
These nylon lock nuts are hexagonal nuts used with bolts and washers of the same material, finish, and grade. The nylon ring creates rotational resistance when displaced by a mating male threaded fastener, thus preventing loosening . The nylon insert also helps resist vibration and adds extra corrosion resistance. The package size designates the inner diameter and the number of threads per inch or thread pitch.