NA 121

DIN Standards Committee Tools and Clamping Devices

DIN 4000-81 [Withdrawn] references following documents:

Document number Edition Title
DIN 344 1981-10 Core drills with parallel shank More 
DIN 6539 1991-05 Continuous parallel shank solid hardmetal twist drills; dimensions More 
VDI 3323 1996-02 Information on applicability of hard cutting materials for machining by chip removal More