NA 121

DIN Standards Committee Tools and Clamping Devices

DIN 7444 [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 133 2009-07 Assembly tools for screws and nuts - Slugging wrenches, open end - Technical specifications More