1 Scope
This standard specifies the cross recessed countersunk flat head screw, the screw thread specification of which is M2~M10, performance grade is steel 8.8, stainless steel A 2-70 and non-ferrous CU2 or CU3.
In particular cases, if technical conditions out of this standard is required, they shall be selected from current national standards, such as GB 193, GB 3098.1, GB 3098.6, GB/T 3098.10, GB 3103.1, GB 31063106 and GB 9145.
2 Referenced Standards
The provisions of the following standard, through reference into this standard, constitute provisions of this standard. At the time of publication, all editions indicated are valid. All standards are subject to revision, and parties to agreements based on this standard are encouraged to investigate the possibility of applying the latest editions of the standards indicated below.
