NA 121
DIN Standards Committee Tools and Clamping Devices
Standards
[Withdrawn]
ISO 2236
ISO 2236
Assembly tools for screws and nuts; Forged and tubular socket wrenches; Maximum outside head dimensions
Title (German)
Schraubwerkzeuge; Geschmiedete und Rohr-Steckschlüssel; Maximale Außendurchmesser der Köpfe