# ISO 2540:1973 — Withdrawn and superseded ISO standards

For ISO 2540:1973, item title is Centre drills for centre holes with protecting chamfer — Type B; status code is 9599; successor is ISO 2540:2016; withdrawn / published date is 1973-04-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO 2540:1973 _(verified: appears in the quote below)_
- **Item title:** Centre drills for centre holes with protecting chamfer — Type B _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 2540:2016
- **Withdrawn / published date:** 1973-04-01 _(verified: appears in the quote below)_

## What the source says

> 7485,IS,,ISO 2540:1973,Centre drills for centre holes with protecting chamfer — Type B,Forets à centrer pour centres avec chanfrein de protection — Type B,1973-04-01,1,['25.100.30'],ISO/TC 29/SC 9,9599,,[64194],"['en','fr']",2,

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).