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This standard applies to machine screwing taps with stepped shank (overflow taps), which are intended for the production of fine pitch metric ISO-threads according to DIN 13-2 to DIN 13-9. The standard has been prepared in Working Committee NA 121-01-04 AA "Gewindebohrer und Schneideisen" ("Taps and dies") at DIN Standards Committee Tools and Clamping Devices (FWS).
This document replaces DIN 374:2008-11 .