ISO International Standard

ISO 14586:2011 specifies the characteristics of hexalobular socket countersunk head tapping screws with thread sizes from ST2,9 to ST6,3 inclusive.

If, in special cases, specifications other than those listed in ISO 14586:2011 are required, they can be selected from existing International Standards, for example ISO 1478, ISO 2702, ISO 4759-1.