Committee Draft
ISO/CD 25963
Aerospace — Test bolts, hexagonal head, UNJF threads, metallic material, coated or uncoated
Reference number
ISO/CD 25963
Edition 1
© ISO 2026
Committee Draft
Under development
A draft is being reviewed by the committee.

Abstract

This standard describes the dimensions of hexagonal head bolts, with large tolerance normal shank and UNJF threads, in metallic material (alloy steel, CRES and titanium alloy, etc.), coated or uncoated. It is applicable to be used as a test bolt for torque-tension tests of self-locking nuts and threaded collars to determine locking torque, breakaway torque and preload.

General information

  • Status
     : Under development
    Stage
    : CD approved for registration as DIS [30.99]
  • Edition
     : 1
  • Technical Committee :
    ISO/TC 20/SC 4
  • RSS updates

Life cycle

Sustainable Development Goals

This standard contributes to the following Sustainable Development Goal

9
Industry, Innovation and Infrastructure

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