Draft
International Standard
ISO/DIS 272
Fasteners — Hexagon products — Widths across flats
Reference number
ISO/DIS 272
Edition 3
© ISO 2026
Draft International Standard
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Under development
This Draft International Standard is in the enquiry phase with ISO members.
Will replace ISO 272:1982

ISO/DIS 272

Language
Format
CHF 67
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Abstract

Specifies the widths to be used in the respective product standards; it sets out a logical ratio between underhead (or nut) bearing area and the tensile stress area of the screw thread.

General information

  • Status
     : Under development

    You can help develop this draft international standard by contacting your national member

    Stage
    : DIS ballot initiated: 12 weeks [40.20]
  • Edition
     : 3
    Number of pages
     : 11
  • Technical Committee :
    ISO/TC 2/SC 7
    ICS :
    21.060.01 
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Life cycle

Sustainable Development Goals

This standard contributes to the following Sustainable Development Goal

9
Industry, Innovation and Infrastructure

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