This International Standard specifies the characteristics of hexagon socket countersunk head screws with
threads from M3 up to and including M20, with product grade A and property classes 8.8, 10.9 and 12.9.
NOTE Particular attention is drawn to the note in Table 2 and to Table 3, concerning the limitation on ultimate tensile load.
If, in special cases, specifications other than those listed in this International Standard are required, they should
be selected from existing International Standards,e.g. ISO 261, ISO 888, ISO 898-1, ISO 965-2 and
ISO 4759-1.
ISO 10642:2004 history
2019ISO 10642:2019 Fasteners — Hexagon socket countersunk head screws with reduced loadability