# ISO 2490:1975 — Withdrawn and superseded ISO standards

For ISO 2490:1975, item title is Single-start solid (monobloc) gear hobs with axial keyway, 1 to 20 module and 1 to 20 diametral pitch — Nominal dimensions; status code is 9599; successor is ISO 2490:1996; withdrawn / published date is 1975-06-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO 2490:1975 _(verified: appears in the quote below)_
- **Item title:** Single-start solid (monobloc) gear hobs with axial keyway, 1 to 20 module and 1 to 20 diametral pitch — Nominal dimensions _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 2490:1996
- **Withdrawn / published date:** 1975-06-01 _(verified: appears in the quote below)_

## What the source says

> 7411,IS,,ISO 2490:1975,"Single-start solid (monobloc) gear hobs with axial keyway, 1 to 20 module and 1 to 20 diametral pitch — Nominal dimensions","Fraises-mères monoblocs à une entrée, à entraînement par clavette, de modules 1 à 20 et de diamétral pitches 1 à 20 — Dimensions nominales",1975-06-01,1,['21.200'],ISO/TC 60,9599,,[7412],"['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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).