This International Standard gives specifications for chamfered hexagon thin nuts, with thread diameters from M 1,6 to M64 in-clusive, with product grade A for sizes d < M16 and product grade B for sizes d > M16.
If, in special cases, specifications other than those listed in this International Standard are required, they should be selected from existing International Standards, e.g. ISO 261, ISO 898/2, ISO 965, ISO 4759/1.