This International Standard specifies the characteristics of prevailing torque type all-metal hexagon nuts, style 2, with threads from M5 up to and including M36, in product grade A for threads up to and including M16 and product grade B for threads above M16, and with property classes 5, 8, 10 and 12. NOTE 1 The dimensions of the nuts with the exception of the dimensions mw and hmax correspond to those given in ISO 4033. NOTE 2 Nuts of property class 9 are dealt with in ISO 7720. If other specifications are required, they can be selected from existing International Standards, for example ISO 261, ISO 724, ISO 898-2, ISO 965-2, ISO 2320 and ISO 4759-1.
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