This International Standard specifies the characteristics of prevailing torque type hexagon nuts (withnon-metallic insert), style 1, with threads from M3 up to and including M36, in product grade A for threads upto and including M16 and product grade B for threads above M16, and with property classes 5, 8 and 10. NOTE — The dimensions of the nuts correspond to those given in ISO 4032 plus prevailing torque feature. If other specifications are required, they should be selected from existing International Standards, for exampleISO 261, ISO 965-2, ISO 2320 and ISO 4759-1.