NA 121
DIN Standards Committee Tools and Clamping Devices
DIN 7431 [CURRENT] references following documents:
Document number | Edition | Title |
---|---|---|
DIN ISO 1173 | 2009-06 | Assembly tools for screws and nuts - Drive ends for hand- and machine-operated screwdriver bits and connecting parts - Dimensions, torque testing (ISO 1173:2001) More |