Tornillos de cabeza avellanada con hueco hexalobular. (ISO 14584:2001).
Hexalobural socket raised countersunk head screws. (ISO 14584:2001)
Vis à métaux à tête fraisée bombée à six lobes internes.(ISO 14584:2001)
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See part of the content of the standard
21.060.10 / Bolts, screws, studs
CTN 17 - Fasteners
EN ISO 14584:2001 (Identical)
ISO 14584:2001 (Identical)
It is cancelled by: UNE-EN ISO 14584:2011