# ISO 9270:1992 — Withdrawn and superseded ISO standards

For ISO 9270:1992, item title is 7/24 tapers for tool shanks for automatic changing — Tapers for spindle noses; status code is 9599; successor is ISO 9270-2:2010 | ISO 9270-1:2010; withdrawn / published date is 1992-11-24, recorded from its source on 2026-08-05.

- **Identifier:** ISO 9270:1992 _(verified: appears in the quote below)_
- **Item title:** 7/24 tapers for tool shanks for automatic changing — Tapers for spindle noses _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 9270-2:2010 | ISO 9270-1:2010
- **Withdrawn / published date:** 1992-11-24 _(verified: appears in the quote below)_

## What the source says

> 16920,IS,,ISO 9270:1992,7/24 tapers for tool shanks for automatic changing — Tapers for spindle noses,Cônes d'emmanchement d'outils à conicité 7/24 pour changement automatique — Cônes pour nez de broches,1992-11-24,1,['25.060.20'],ISO/TC 29,9599,,"[51517,50991]","['en','fr']",4,<p>Specifies the dimensions and tolerances. Conicity tolerances shall conform with the cone angle tolerance grade AT4 specified in ISO 1947.</p>

## Source

- https://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv

Last verified: 2026-08-05. Review by: 2027-02-01.
Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).