# ISO 2903:1993 — Withdrawn and superseded ISO standards

For ISO 2903:1993, item title is ISO metric trapezoidal screw threads — Tolerances; status code is 9599; successor is ISO 2903:2016; withdrawn / published date is 1993-10-28, recorded from its source on 2026-08-05.

- **Identifier:** ISO 2903:1993 _(verified: appears in the quote below)_
- **Item title:** ISO metric trapezoidal screw threads — Tolerances _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 2903:2016
- **Withdrawn / published date:** 1993-10-28 _(verified: appears in the quote below)_

## What the source says

> 7938,IS,,ISO 2903:1993,ISO metric trapezoidal screw threads — Tolerances,Filetages métriques trapézoïdaux ISO — Tolérances,1993-10-28,2,['21.040.10'],ISO/TC 1,9599,[7937],[68336],"['en','fr']",10,"<p>Specifies a tolerance system for threads according to ISO 2902; the system does not apply to threads with special requirements on axial displacement (e.g. lead screws); gives the structure of the system and tabulates pitches from 1.5 up to and including 44, comprises basic major diameters over 5.6 mm up to and including 355 mm; includes recommended tolerance classes for bolt and nut threads.</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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).