DIN-13-21 Complete Document History
ISO general purpose metric screw threads - Part 21: Limits of sizes for fine pitch threads with the preferred tolerance classes; Nominal diameter from 1 mm to 24,5 mm

Complete Current Edition:
   2005 EDITION - ENGLISH VERSION OF DIN-13-21 - Aug. 1, 2005

Obsolete Revision Information:
   1983 EDITION - ENGLISH VERSION OF DIN-13-21 - Oct. 1, 1983
   1973 EDITION - ENGLISH VERSION OF DIN-13-21 - Feb. 1, 1973