This Standard specifies the slotted pan head screws of product grade A, with threads from M1.6 to M10 and the property classes of 4.8, 5.8, A2-50, A2-70, CU2, CU3 and AL4.
If, in special cases, other technical requirements are required, they can be selected from existing standards (for example, GB/T 196, GB/T 3106, GB/T 3098.1, GB/T 3098.6, GB/T 3098.10 and GB/T 3103.1).
2 Normative References
The following documents contain provisions which, by reference in this Standard, constitute provisions of this Standard. For dated references, subsequent amendments to (excluding correction to), or revisions of, any of these publications do not apply. However, all parties coming to an agreement according to this Standard are encouraged to study whether the latest editions of these documents apply. For undated references, the latest editions apply.