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.
Dimensions of square nuts with DIN 557 chamfer in mm
Diameter Nut height Wrench size
M5 4 8
M6 5 10
M8 6.5 13