1 Scope
This standard specifies the characteristics of hexagon nuts, style 2, with threads from M5 up to and including M36, with property grade form 9 to 12, with product grade A for threads d≤M16 and product grade B for threads d>M16.
If, in special cases, specifications other than those listed in this standard are required, they should be selected from existing standards, for example GB/T 196, GB/T 3098.2 and GB/T 3103.1.
Note: for hexagon nuts style 1, see GB/T 6170.
2 Normative References
The following normative documents contain provisions which, through reference in this text, constitute provisions of this standard. At time of publication, the editions indicated were valid. All the standards will be modified, and all parties using this standard shall discuss the possibility of using the latest version.
