NA 121
DIN Standards Committee Tools and Clamping Devices
DIN 4000-150 [Withdrawn] references following documents:
| Document number | Edition | Title |
|---|---|---|
| DIN 2324 | 2002-10 | Bits with square drive for screws with internal serration, hand-operated More |
| DIN 3120 | 1993-12 | Driving squares for hand-operated socket wrenches More |
| DIN 3121 | 1993-12 | Driving squares for machine-operated socket wrenches More |
| DIN 65254 | 2002-10 | Hexagon insert bits - For screws with internal serrations More |
| DIN 7422 | 2002-10 | Bits with square drive for hexagon socket screws, hand operated More |
