Draft
Amendment
ISO 21771-1:2024/DAmd 1
Cylindrical involute gears and gear pairs — Part 1: Concepts and geometry — Amendment 1
Reference number
ISO 21771-1:2024/DAmd 1
Edition 1
© ISO 2025
Draft Amendment
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Under development
This Draft International Standard is in the enquiry phase with ISO members.
This amendment applies to ISO 21771-1:2024

General information

  • Status
     : Under development
    Stage
    : Full report circulated: DIS approved for registration as FDIS [40.99]
  • Edition
     : 1
  • Technical Committee :
    ISO/TC 60/SC 1
    ICS :
    21.200 
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