This self-locking hex nut, also known as a lock nut, features a non-metallic insert in the form of a nylon ring. This built-in locking mechanism helps prevent the nut from loosening due to vibration or mechanical stress. The nut conforms to DIN 985 and ISO 10511 standards and comes with metric threading. It's made from A4 stainless steel, and its property class 80 rating corresponds to a minimum tensile strength of 800 MPa.