Hex Lock Nut: 1/2-20, Grade 5 Steel, Zinc-Plated MPN:31284

The hexagonal lock nut made from grade 5 steel is heat-treated for enhanced durability ensuring high tensile strength under demanding loads while maintaining its shape when tightened securely, with a zinc plating on the external surface protecting against rust or corrosion. Having an overall size of 1/2 inch - 20 thread diameter this nut can be used in diverse industrial settings including fastening joints on motor vehicles, aerospace and hydraulic systems, automotive equipment where high levels of torque or vibration resistance are present as well as military & defense projects under rigorous environmental conditions.