# ISO 4206:1991 — Withdrawn and superseded ISO standards

For ISO 4206:1991, item title is Counterbores with parallel shanks and solid pilots; status code is 9599; successor is ISO 4206:2016; withdrawn / published date is 1991-12-16, recorded from its source on 2026-08-05.

- **Identifier:** ISO 4206:1991 _(verified: appears in the quote below)_
- **Item title:** Counterbores with parallel shanks and solid pilots _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 4206:2016
- **Withdrawn / published date:** 1991-12-16 _(verified: appears in the quote below)_

## What the source says

> 9993,IS,,ISO 4206:1991,Counterbores with parallel shanks and solid pilots,"Outils à lamer, à queue cylindrique et pilote fixe",1991-12-16,2,['25.100.30'],ISO/TC 29/SC 9,9599,[9992],[64204],"['en','fr']",3,<p>Specifies the dimensions and the tolerances as shown in figure 1 and given in table 1. Annex A (Bibliography) is for information only.</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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).