International Standard
ISO 691:2005
Assembly tools for screws and nuts — Wrench and socket openings — Tolerances for general use
Reference number
ISO 691:2005
Edition 4
2005-11
© ISO 2024
International Standard
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Published (Edition 4, 2005)
This standard was last reviewed and confirmed in 2019. Therefore this version remains current.

ISO 691:2005

Format
Language
CHF 42
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Abstract

ISO 691:2005 specifies tolerances on wrench and socket openings for screws and nuts (or similar parts) having metric width across flats dimensions. It gives, for each dimension, the tolerances for general use, defined by its two deviations, minimum and maximum, with respect to the nominal value. These deviations have been determined in relation to the width across flats tolerances for screws and nuts specified in ISO 4759-1 and with regard to the manufacture of tightening tools.

General information

  • Status
     : Published
    Publication date
     : 2005-11
    Stage
    : International Standard confirmed [90.93]
  • Edition
     : 4
    Number of pages
     : 4
  • Technical Committee :
    ISO/TC 29/SC 10
    ICS :
    25.140.30 
  • RSS updates

Life cycle

Sustainable Development Goals

This standard contributes to the following Sustainable Development Goal

8
Decent Work and Economic Growth

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