This standard specifies hexagon thin nuts whose thread specifications are M1.6~M64, property class are 14H, 04, 05, A2-035, A2-025, A4-035, A4-025, CU2, CU3 and AL4, product grade are grades A and B. Those of grade A may be used in nuts whose D≤16mm; those of grade B may be used in nuts whose D>16mm.
If other technical requirements are required, they shall be selected from current standards (such as GB/T 196, GB/T 3098.2 and GB/T 3103.1).
This standard specifies hexagon thin nuts whose thread specifications are M1.6~M64, property class are 14H, 04, 05, A2-035, A2-025, A4-035, A4-025, CU2, CU3 and AL4, product grade are grades A and B. Those of grade A may be used in nuts whose D≤16mm; those of grade B may be used in nuts whose D>16mm.
If other technical requirements are required, they shall be selected from current standards (such as GB/T 196, GB/T 3098.2 and GB/T 3103.1).
