Countersunk head screws – Head configuration and gauging
This International Standard specifies the Characteristics of head configurations of slotted and recessed countersunk head screws, and recommends a gauging method for the head dimensions laid down in the respective product standards.

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Geometrical product specifications (GPS) — ISO code system for tolerances on linear sizes – Part 2: Tables of standard tolerance classes and limit deviations for holes and shafts (ISO 286-2:2010)
PULL THROUGH MANDREL BLIND RIVETS
Countersunk head screws – Head configuration and gauging
FASTENER ELEMENT, SELF-LOCKING, THREADED FASTENER, 250°F MAXIMUM
Prevailing torque type hexagon nuts with flange and with non-metallic insert
Prevailing torque type all-metal hexagon nuts, style 1 – Property classes 5, 8 and 10