Abstract 

Specifies the basic dimensions of metric threads in accordance with ISO 261. The basic dimensions are: basic major diameter of internal or external thread (nominal diameter), basic pitch diameter of internal or external thread, basic minor diameter of internal or external thread, height of fundamental triangle, pitch. The values refer to the basic profile in accordance with ISO 68.


General information

  • Status :  Under development
  • Edition : 3
    Number of pages : 12
  • :
    ISO/TC 1
    Screw threads
  • 21.040.10
    Metric screw threads

Sustainable Development Goals

This standard contributes to the following Sustainable Development Goal:

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