This International Standard specifies the dimensions and tolerances of metal bone screws with conical under-surface of the head used in surgery. NOTE — The interrelationship of International Standards dealing with bone screws, bone plates and relevant tools is shown for information in annex A.
GSO ISO 9268:2016 history
2016GSO ISO 9268:2016 Implants for surgery -- Metal bone screws with conical under-surface of head -- Dimensions