NA 121
DIN Standards Committee Tools and Clamping Devices
Draft standard
[Withdrawn]
DIN 6911
DIN 6911
Hexagon socket screw keys with pilot
Title (German)
Winkelschraubendreher mit Zapfen für Schrauben mit Innensechskant
Responsible national committee
NA 121-05-01 AA - Assembly tools for screws and nuts, Fastening tools