# ISO 6261:2011 — Withdrawn and superseded ISO standards For ISO 6261:2011, item title is Tool holders with cylindrical shank (boring bars) for indexable inserts — Designation; status code is 9599; successor is ISO 5609-1:2012; withdrawn / published date is 2011-08-25, recorded from its source on 2026-08-05. - **Identifier:** ISO 6261:2011 _(verified: appears in the quote below)_ - **Item title:** Tool holders with cylindrical shank (boring bars) for indexable inserts — Designation _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 5609-1:2012 - **Withdrawn / published date:** 2011-08-25 _(verified: appears in the quote below)_ ## What the source says > 52308,IS,,ISO 6261:2011,Tool holders with cylindrical shank (boring bars) for indexable inserts — Designation,Porte-plaquette à queue cylindrique (porte-plaquette d'alésage) — Désignation,2011-08-25,3,['25.100.10'],ISO/TC 29/SC 9,9599,[21906],[60124],"['en','fr']",11,"

ISO 6261:2011 defines a code for the designation of tool holders for internal turning (boring bars) operations with cylindrical shank and standardized dimension, f, for indexable inserts in order to simplify orders and specifications for such tools.

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 Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).