NA 121

DIN Standards Committee Tools and Clamping Devices

DIN 899 [Withdrawn] references following documents:

Document number Edition Title
DIN EN 10020 2000-07 Definition and classification of grades of steel; German version EN 10020:2000 More 
DIN ISO 272 1979-10 Fasteners; Width across Flats for Hexagon Products More 
DIN 3120 1993-12 Driving squares for hand-operated socket wrenches More