2. Getting involved
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NA 121

DIN Standards Committee Tools and Clamping Devices

About FWS Projects Drafts Publications Documents withdrawn without replacement National committees European committees International committees

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 
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