# ISO 239:1974 — Withdrawn and superseded ISO standards

For ISO 239:1974, item title is Drill chuck tapers; status code is 9599; successor is ISO 239:1999; withdrawn / published date is 1974-12-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO 239:1974 _(verified: appears in the quote below)_
- **Item title:** Drill chuck tapers _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 239:1999
- **Withdrawn / published date:** 1974-12-01 _(verified: appears in the quote below)_

## What the source says

> 4129,IS,,ISO 239:1974,Drill chuck tapers,Cônes d'emmanchement pour mandrins de perceuses,1974-12-01,1,['25.100.30'],ISO/TC 29,9599,,[28555],"['en','fr']",3,

## 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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).