NA 121

DIN Standards Committee Tools and Clamping Devices

DIN 3120 [CURRENT] references following documents:

Document number Edition Title
DIN ISO 2768-1 1991-06 General tolerances; tolerances for linear and angular dimensions without individual tolerance indications; identical with ISO 2768-1:1989 More 
DIN 3121 1993-12 Driving squares for machine-operated socket wrenches More