NA 121
DIN Standards Committee Tools and Clamping Devices
Standards
[CURRENT]
ISO 691
ISO 691
Assembly tools for screws and nuts - Wrench and socket openings - Tolerances for general use
Title (German)
Schraubwerkzeuge - Schlüsselweiten-Toleranzen für Schrauben- und Steckschlüssel (ISO 691:2005)
Responsible national committee
NA 121-05-01 AA - Assembly tools for screws and nuts, Fastening tools
Responsible international committee
ISO/TC 29/SC 10 - Assembly tools for screws and nuts, pliers and nippers