NA 121
DIN Standards Committee Tools and Clamping Devices
Standards
[CURRENT]
DIN 3121
DIN 3121
Driving squares for machine-operated socket wrenches
Title (German)
Verbindungsvierkante für maschinenbetätigte Schraubwerkzeuge
Document: references other documents
Document: referenced in other documents
Responsible national committee
NA 121-05-01 AA - Assembly tools for screws and nuts, Fastening tools