This International Standard specifies the characteristics of prevailing torque type hexagon nuts with flange and non-metallic annular insert and thread sizes from M 5 to M 20 inclusive, in product grade A.
NOTE — The dimensions of the nuts correspond to those given in ISO 4161 plus prevailing torque feature.
If other specifications are required, it is recommended that they should be selected from existing International Standards, for example ISO 261, ISO 898, ISO 965, ISO 2320, ISO 4759/1.