Historical
ISO 7046-2:1990
Cross-recessed countersunk flat head screws (common head style) - Grade A - Part 2: Steel of property class 8.8, stainless steel and non-ferrous metals
Specifies the dimensional characteristics of screws with threads M2 up to M10. Three figures illustrate details. Includes examples for the designation of that screws.
International Organization for Standardization [iso]