NA 121
DIN Standards Committee Tools and Clamping Devices
DIN 3120 [CURRENT] referenced in following documents:
| Document number | Edition | Title |
|---|---|---|
| DIN 3121 | 1993-12 | Driving squares for machine-operated socket wrenches More |
| DIN 3124 | 2007-11 | Hand-operated socket wrenches, square drive for hexagon screws More |
| BGI 533 ; DGUV Information 209-001:2007 | 2007 | BG-Information - Sicherheit beim Arbeiten mit Handwerkzeugen More |
| DIN 2324 | 2002-10 | Bits with square drive for screws with internal serration, hand-operated More |
| DIN 7422 | 2002-10 | Bits with square drive for hexagon socket screws, hand operated More |
