NF EN ISO 4753
Fasteners - Ends of parts with external ISO metric thread
ISO 4753:2011 specifies the form and dimensions of ends of parts with external ISO metric screw thread (e.g. bolt, screw and stud ends) recommended for use. They apply to standardized or non-standardized threaded parts.For each end type, a symbol is specified and it is intended that these symbols be used when specifying one of the ends for threaded fasteners.
ISO 4753:2011 specifies the form and dimensions of ends of parts with external ISO metric screw thread (e.g. bolt, screw and stud ends) recommended for use. They apply to standardized or non-standardized threaded parts.
For each end type, a symbol is specified and it is intended that these symbols be used when specifying one of the ends for threaded fasteners.
La présente Norme internationale spécifie la forme et les dimensions des extrémités des éléments à filetage extérieur métrique ISO (par exemple extrémités de vis) d'usage recommandé. Elle s'appliquent aux éléments filetés normalisés ou non, si ces paramètres sont spécifiés au moment de la commande. Pour chaque forme d'extrémité, un symbole est défini et il est recommandé d'utiliser ces symboles pour préciser l'une des extrémités des éléments de fixation filetés.
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