Driving squares for machine-operated socket wrenches.
STANDARD published on 1.12.1993
Designation standards: DIN 3121:1993-12
Publication date standards: 1.12.1993
The number of pages: 3
Approximate weight : 9 g (0.02 lbs)
Country: German technical standard
Category: Technical standards DIN
Verbindungsvierkante für maschinenbetätigte Schraubwerkzeuge.