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DIN 7500-1:2021
Thread forming screws for ISO metric thread - Part 1: Technical specifications for case hardened and tempered screws
This document specifies the technical specifications for case hardened and tempered metric thread rolling screws with different head shapes. Thread rolling screws according to this document produce female threads which fit ISO general purpose metric screw threads, in the nominal thread diameter range from 2 mm to 12 mm, for use in general engineering applications.
Deutsches Institut für Normung [din]