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1 Scope
This standard specifies hexagon head bolt with thread specification is M5 - M64, performance rate is grade 3.6, 4.6 and 4.8, and production grade is grade C.
If any other technical requirements are required, it shall be selected from current standard (such as GB/T 196, GB/T 3106, GB/T 3098.1 and GB/T 3103.1).
2 Normative references
The following standards contain provisions which, through reference in this text, constitute provisions of this standard. At time of publication, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below.
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