ISO 1501:2009/Amd 1:2020

ISO miniature screw threads - Amendment 1: The figure for the tolerance zone of external thread

Filetages miniatures ISO — Amendement 1: La figure pour la zone de tolérance du filetage extérieur

General Information

• Status: Published
• Publication Date: 28-Jan-2020
• ICS: 21.040.30 - Special screw threads
• Technical Committee: ISO/TC 1 - Screw threads
• Drafting Committee: ISO/TC 1 - Screw threads
• Current Stage: 6060 - International Standard published
• Start Date: 29-Jan-2020
• Due Date: 07-Dec-2020
• Completion Date: 29-Jan-2020

Relations

• Consolidated By: ISO 13695:2024 - Optics and photonics - Lasers and laser-related equipment - Test methods for the spectral characteristics of lasers
• Effective Date: 14-Oct-2023
• Amends: ISO 1501:2009 - ISO miniature screw threads
• Effective Date: 25-Dec-2021

Overview

ISO 1501:2009/Amd 1:2020 is an important amendment to the international standard governing miniature screw threads. Issued by the International Organization for Standardization (ISO), this amendment specifically updates the figure illustrating the tolerance zone of external threads. The amendment clarifies the dimensional accuracy and manufacturing tolerances for miniature screw threads-critical components used in precision engineering and manufacturing.

This document targets manufacturers, quality assurance professionals, and engineers involved in the design, production, and inspection of miniature screw threads. Adherence to ISO 1501 ensures compatibility and interchangeability of threaded parts worldwide, reducing errors and improving product reliability.

Key Topics

• Tolerance Zone of External Thread
  The amendment revises the figure representing the tolerance zone, which defines the allowable dimensional deviations for the external thread profile. This is essential for maintaining precision fit and mechanical function.

• Design Profile Specification
  The update includes a detailed design profile showing the precise geometry of the external thread’s tolerance boundaries.

• Normative References Update
  The amendment replaces the prior normative reference ISO 5408 with the updated terminology and definitions in the current version of ISO 5408: Screw threads - Vocabulary, ensuring standard terminology consistency.

• Standardization and Compliance
  As a published ISO standard, compliance indicates adherence to internationally accepted manufacturing precision, vital for product quality control.

Applications

This amendment holds practical value across multiple engineering and industrial sectors:

• Precision Engineering
  Ensures miniature screws used in instruments, medical devices, and miniature mechanisms meet stringent tolerance limits for correct assembly and function.

• Manufacturing Quality Control
  Assists manufacturers to maintain thread quality by providing clear tolerance specifications, reducing scrap rates and rework.

• Product Design and Development
  Engineers can design miniature threaded components confident of global compatibility and standardized tolerance constraints.

• Interchangeability in Components
  Facilitates the seamless exchange of miniature screw-threaded parts across different manufacturers and industries, enhancing supply chain efficiency.

Related Standards

Supporting standards that complement ISO 1501:2009/Amd 1:2020 include:

• ISO 1501:2009
  The original standard specifying miniature screw threads.

• ISO 5408
  Vocabulary and terminology defining screw thread terms applied in the standard.

• ISO/IEC Directives, Part 1 & 2
  Provide editorial rules and procedural guidelines for developing ISO standards.

• Other Screw Thread Standards
  Various ISO standards that address screw thread dimensions and tolerances for other thread types and sizes.

Summary

ISO 1501:2009 Amendment 1:2020 is a targeted update enhancing clarity on tolerance zones for external miniature screw threads. By revising key figures and references, this amendment strengthens global consistency in precision screw thread manufacturing. This benefits industries demanding high-accuracy threaded components-helping improve product reliability, ensure interchangeability, and optimize quality control processes in miniature screw applications. Adopting the latest ISO miniature screw thread standards is essential for manufacturers and engineers committed to excellence in precision fastening solutions.

Keywords: ISO miniature screw threads, tolerance zone external thread, ISO 1501 amendment, screw thread tolerance, miniature screw manufacturing, ISO screw thread standards, precision thread design

Standards Content (Sample)

INTERNATIONAL ISO
STANDARD 1501
First edition
2009-05-15
AMENDMENT 1
2020-01
ISO miniature screw threads
AMENDMENT 1:  The figure for the
tolerance zone of external thread
Filetages miniatures ISO
AMENDEMENT 1: La figure pour la zone de tolérance du filetage
extérieur
Reference number
ISO 1501:2009/Amd.1:2020(E)
©
ISO 2020
ISO 1501:2009/Amd.1:2020(E)
© ISO 2020
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting
on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address
below or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: [phone]
Fax: [phone]
Email: [e-mail]
Website: www.iso.org
Published in Switzerland
ii © ISO 2020 – All rights reserved

ISO 1501:2009/Amd.1:2020(E)
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out
through ISO technical committees. Each member body interested in a subject for which a technical
committee has been established has the right to be represented on that committee. International
organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.
ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of
electrotechnical standardization.
The procedures used to develop this document and those intended for its further maintenance are
described in the ISO/IEC Directives, Part 1. In particular, the different approval cri
...

NORME ISO
INTERNATIONALE 1501
Première édition
2009-05-15
AMENDEMENT 1
2020-01
Filetages miniatures ISO
AMENDEMENT 1: La figure pour la zone
de tolérance du filetage extérieur
ISO miniature screw threads
AMENDMENT 1:  The figure for the tolerance zone of external thread
Numéro de référence
ISO 1501:2009/Amd.1:2020(F)
©
ISO 2020
ISO 1501:2009/Amd.1:2020(F)
DOCUMENT PROTÉGÉ PAR COPYRIGHT
© ISO 2020
Tous droits réservés. Sauf prescription différente ou nécessité dans le contexte de sa mise en œuvre, aucune partie de cette
publication ne peut être reproduite ni utilisée sous quelque forme que ce soit et par aucun procédé, électronique ou mécanique,
y compris la photocopie, ou la diffusion sur l’internet ou sur un intranet, sans autorisation écrite préalable. Une autorisation peut
être demandée à l’ISO à l’adresse ci-après ou au comité membre de l’ISO dans le pays du demandeur.
ISO copyright office
Case postale 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Genève
Tél.: [phone]
Fax: [phone]
E-mail: [e-mail]
Web: www.iso.org
Publié en Suisse
ii © ISO 2020 – Tous droits réservés

ISO 1501:2009/Amd.1:2020(F)
Avant-propos
L'ISO (Organisation internationale de normalisation) est une fédération mondiale d'organismes
nationaux de normalisation (comités membres de l'ISO). L'élaboration des Normes internationales est
en général confiée aux comités techniques de l'ISO. Chaque comité membre intéressé par une étude
a le droit de faire partie du comité technique créé à cet effet. Les organisations internationales,
gouvernementales et non gouvernementales, en liaison avec l'ISO participent également aux travaux.
L'ISO collabore étroitement avec la Commission électrotechnique internationale (IEC) en ce qui
concerne la normalisation électrotechnique.
Les procédures utilisées pour élaborer le présent document et celles destinées à sa mise à jour sont
décrites dans les Directives ISO/IEC, Partie 1. Il convient, en particulier de prendre note des différents
critères d'approbation requis pour les différents types de documents ISO. Le présent document a été
rédigé conformément aux règles de rédaction données dans les Directives ISO/IEC, Partie 2 (voi
...