# ISO 4202:1978 — Withdrawn and superseded ISO standards

For ISO 4202:1978, item title is Reduction sleeves with external 7/24 taper for tools with Morse taper shanks; status code is 9599; successor is ISO 4202:2016; withdrawn / published date is 1978-08-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO 4202:1978 _(verified: appears in the quote below)_
- **Item title:** Reduction sleeves with external 7/24 taper for tools with Morse taper shanks _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 4202:2016
- **Withdrawn / published date:** 1978-08-01 _(verified: appears in the quote below)_

## What the source says

> 9987,IS,,ISO 4202:1978,Reduction sleeves with external 7/24 taper for tools with Morse taper shanks,Douilles de réduction au cône extérieur 7/24 pour outils à queue cône Morse,1978-08-01,2,['25.060.20'],ISO/TC 29,9599,,[64201],"['en','fr']",2,"<p>This second edition cancels and replaces the first edition (i.e. ISO 4202-1976). Specifies the dimensions of reduction sleeves with external 7/24 taper (Nos. 30, 40, 45, 50 and 60) for tools with Morse taper shanks (Nos. 1 to 6). All these sleeves allow driving of tools having Morse taper shanks which have a tenon at the small end of the shanks. Some sleeves allow driving of tools having Morse taper shanks which have an axially tapped hole in the sh

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).