Hueco hexalobular interno para pernos y tornillos (ISO 10664:2005)
Hexalobular internal driving feature for bolts and screws (ISO 10664:2005)
Empreinte à six lobes internes pour vis (ISO 10664:2005)
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See part of the content of the standard
21.060.10 / Bolts, screws, studs
CTN 17 - Fasteners
EN ISO 10664:2005 (Identical)
ISO 10664:2005 (Identical)
It is cancelled by: UNE-EN ISO 10664:2015
Cancel: UNE-EN ISO 10664:2000