Committee Draft
ISO/CD 12257
Aerospace — Drives, internal, TORX® — Geometrical definition, gaging, technical and quality requirements
Reference number
ISO/CD 12257
Edition 2
© ISO 2025
Committee Draft
Under development
A draft is being reviewed by the committee.
Will replace ISO 12257:2008

Abstract

This document specifies basic dimensions, characteristics and engineering requirements for TORX® recesses in aerospace fasteners.

General information

  • Status
     : Under development
    Stage
    : Committee draft (CD) registered [30.00]
  • Edition
     : 2
  • 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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