NA 121
DIN Standards Committee Tools and Clamping Devices
Standards
[Withdrawn]
ISO 2725-1
ISO 2725-1
Assembly tools for screws and nuts - Square drive sockets - Part 1: Hand-operated sockets
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