DECENT AIR SYSTEM Nut M12 Hot Galvanized Hex Nut Hexagon Nuts 12mm  (Mild Steel)

Hex Nut are internally threaded and have a hex drive for nearly all general applications. It is most commonly used nut for wide range applications. Hex Nuts are used in any application with a mating male threaded machine bolt or screw. Can be used with any fastener with a machine screw thread. Hex Nuts are used with compatible sized bolts and washers.