DIN Standards Committee Tools and Clamping Devices
DIN 374
Machine screwing taps for fine pitch metric ISO-threads M3 × 0,2 to M52 × 4
Maschinen-Gewindebohrer mit abgesetztem Schaft (Überlaufbohrer) für Metrisches ISO-Feingewinde M3 × 0,2 bis M52 × 4
Overview
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).