Abstract / scope
This document specifies basic dimensions, characteristics and engineering requirements for TORX® PARALOBE® recesses in aerospace fasteners.
ISO 4579:2021Published
Aerospace — Drives, internal, TORX® PARALOBE® drive — Geometrical definition, gaging and technical requirements
Aéronautique et espace — Empreintes, TORX® PARALOBE® entraînement — Définition géométrique, calibrage et exigences techniques