NA 121

DIN Standards Committee Tools and Clamping Devices

DIN 3123 [Withdrawn] referenced in following documents:

Document number Edition Title
DIN 3124 2007-11 Hand-operated socket wrenches, square drive for hexagon screws More 
DIN 7427 2009-07 Assembly tools for screws and nuts - Square drive sockets and hexagon drive extensions for hexagon insert bits - Technical specifications More