NA 121
DIN Standards Committee Tools and Clamping Devices
DIN 133 [CURRENT] references following documents:
| Document number | Edition | Title |
|---|---|---|
| DIN ISO 691 | 2007-04 | Assembly tools for screws and nuts - Wrench and socket openings - Tolerances for general use (ISO 691:2005) More |
| DIN ISO 272 | 1979-10 | Fasteners; Width across Flats for Hexagon Products More |
| DIN 7444 | 2009-07 | Assembly tools for screws and nuts - Slugging wrenches, box - Technical specifications More |
