Square nut

Hardware DIN 557 is a square-shaped nut with a chamfer, designed to create strong connections in grooved assemblies. In some cases, the part can be used as an equivalent replacement for a standard hex nut. The square nut is equipped with a metric thread: M5 - M8, and is used in conjunction with other cylindrical fasteners with the appropriate pitch - screws, bolts, studs. The scope of use of hardware is construction and installation work, various mechanical assembly industries, the connection of units of agricultural machines and equipment for various purposes.