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ISO/DIS 12257

Aerospace — Drives, internal, TORX® drive — Geometrical definition, gaging, technical and quality requirements

General information

40.00     9 shk 2026

ISO

ISO/TC 20/SC 4

International Standard

49.030.01  

Scope

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

Life cycle

PREVIOUSLY

PUBLISHED
ISO 12257:2008

NOW

IN_DEVELOPMENT
ISO/DIS 12257
40.00 DIS registered
9 shk 2026