International Standard
ISO 1501:2009
ISO miniature screw threads
Reference number
ISO 1501:2009
Edition 1
International Standard
Read sample
ISO 1501:2009
Published (Edition 1, 2009)
This standard was last reviewed and confirmed in 2020. Therefore this version remains current.
This standard has 1 amendment.

ISO 1501:2009

ISO 1501:2009
CHF 96
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ISO 1501:2009 specifies the profiles, diameter-pitch combinations, basic dimensions, tolerances, limits of size and designation for ISO miniature screw threads with nominal diameters from 0,3 mm to 1,4 mm. These threads are applicable to timepieces, optical instruments, electrical meters, measuring instruments, etc.

The profiles and tolerance system for ISO miniature screw threads (S) differ from the profile and tolerance system for ISO general purpose metric screw threads (M).

General information

  •  : Published
     : 2009-05
    : International Standard confirmed [90.93]
  •  : 1
     : 16
  • ISO/TC 1
  • RSS updates


Amendments are issued when it is found that new material may need to be added to an existing standardization document. They may also include editorial or technical corrections to be applied to the existing document.

Amendment 1

The figure for the tolerance zone of external thread

Edition 2020

ISO 1501:2009/Amd 1:2020
CHF 18
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Life cycle

Sustainable Development Goals

This standard contributes to the following Sustainable Development Goal

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