NA 087
DIN Standards Committee Railway
Standards
[CURRENT]
EN ISO 10664
EN ISO 10664
Hexalobular internal driving feature for bolts and screws (ISO 10664:2014)
Title (German)
Innensechsrund für Schrauben (ISO 10664:2014)
Responsible national committee
NA 067-00-02 AA - Fasteners with metric external thread