[MATERIAL] 100% Made of high quality 304 stainless steel (also known as 18-8 or A2 stainless steel), they have good corrosion resistance, rust resistance and high hardness, which provides a longer service life, can be used indoor and outdoor, even in humid environment.
[FEATURE] With a nylon insert, these lock nuts greatly reduce loosening under vibrations and torque.
[APPLICATION] Can be used in machinery, electrical appliances, automobile, shipbuilding and etc.
[NOTE] Small parts included, please keep away from children and pets.