ISO 4207:2016
(Main)Counterbores with Morse taper shanks and detachable pilots
Counterbores with Morse taper shanks and detachable pilots
ISO 4207:2016 specifies the dimensions of counterbores with Morse taper shanks and detachable pilots for general use.
Outils à lamer à queue cône Morse et pilote amovible
ISO 4207:2016 spécifie les dimensions des outils à lamer à queue cône Morse et pilote amovible, d'usage général.
General Information
Relations
Overview
ISO 4207:2016 defines the dimensions and basic tolerances for counterbores with Morse taper shanks and detachable pilots for general use. The standard provides metric dimensions (Table 1) and a diagrammatic figure (Figure 1) to ensure consistent tool geometry, interchangeability and fit between counterbore bodies, pilots and machine tool spindles. It is a second-edition update that adds an informative Annex linking ISO 4207 designations to the ISO 13399 data model.
Key topics and requirements
- Scope: Specifies dimensional requirements for counterbores with Morse taper shanks and detachable pilots used in general machining.
- Dimensions: Detailed in Table 1 and illustrated in Figure 1; dimensions are given in millimetres (metric units only).
- Tolerances:
- Cutting diameter (d): z9
- Pilot diameter (d1): e8
- Pilot hole diameter (d2): h8
- Morse taper: tolerance and form specified by ISO 296 (self-holding tapers for tool shanks)
- Normative references: ISO 296 is required for Morse taper specifications.
- Data mapping: Annex A provides relationships between ISO 4207 property names (e.g., cutting diameter, guide pilot diameter, overall length) and preferred symbols in ISO 13399 for cutting tool data representation and exchange.
Practical applications
- Ensures interchangeability of counterbores and detachable pilots across manufacturers and toolrooms.
- Guides tooling design, procurement and quality control in metalworking, machining and manufacturing operations.
- Used by:
- Tool manufacturers and designers specifying counterbore geometry
- Machine shops and maintenance teams selecting compatible pilots and holders
- Procurement professionals enforcing standard tool specifications
- CAD/CAM and tooling-data managers mapping tool attributes to ISO 13399 for digital tool libraries
- Supports consistent assembly and accurate hole preparation where precise pilot guidance and cutter geometry are required (e.g., reaming, boring, hole preparation before press fits).
Related standards
- ISO 296 - Machine tools: self-holding tapers for tool shanks (normative reference for Morse tapers)
- ISO 13399 (all parts) - Cutting tool data representation and exchange (Annex A mapping)
- Other complementary tooling standards: ISO 4204, ISO 4208 (referenced in ISO 4207 bibliography)
ISO 4207 is essential for organizations focused on tooling standardization, tool data management, and reliable metalworking production where Morse-taper counterbores with detachable pilots are employed.
Frequently Asked Questions
ISO 4207:2016 is a standard published by the International Organization for Standardization (ISO). Its full title is "Counterbores with Morse taper shanks and detachable pilots". This standard covers: ISO 4207:2016 specifies the dimensions of counterbores with Morse taper shanks and detachable pilots for general use.
ISO 4207:2016 specifies the dimensions of counterbores with Morse taper shanks and detachable pilots for general use.
ISO 4207:2016 is classified under the following ICS (International Classification for Standards) categories: 25.060.20 - Dividing and tool-workpiece holding devices. The ICS classification helps identify the subject area and facilitates finding related standards.
ISO 4207:2016 has the following relationships with other standards: It is inter standard links to ISO 4207:1977. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
You can purchase ISO 4207:2016 directly from iTeh Standards. The document is available in PDF format and is delivered instantly after payment. Add the standard to your cart and complete the secure checkout process. iTeh Standards is an authorized distributor of ISO standards.
Standards Content (Sample)
INTERNATIONAL ISO
STANDARD 4207
Second edition
2016-11-01
Counterbores with Morse taper
shanks and detachable pilots
Outils à lamer à queue cône Morse et pilote amovible
Reference number
©
ISO 2016
© ISO 2016, Published in Switzerland
All rights reserved. Unless otherwise specified, 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
Ch. de Blandonnet 8 • CP 401
CH-1214 Vernier, Geneva, Switzerland
Tel. +41 22 749 01 11
Fax +41 22 749 09 47
copyright@iso.org
www.iso.org
ii © ISO 2016 – All rights reserved
Contents Page
Foreword .iv
1 Scope . 1
2 Normative references . 1
3 Dimensions . 1
4 Tolerances . 1
Annex A (informative) Relationship between designations in this International Standard
and ISO 13399 (all parts) . 3
Bibliography . 4
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
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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 criteria needed for the
different types of ISO documents should be noted. This document was drafted in accordance with the
editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of
any patent rights identified during the development of the document will be in the Introduction and/or
on the ISO list of patent declarations received (see www.iso.org/patent
...
NORME ISO
INTERNATIONALE 4207
Deuxième édition
2016-11-01
Outils à lamer à queue cône Morse et
pilote amovible
Counterbores with Morse taper shanks and detachable pilots
Numéro de référence
©
ISO 2016
DOCUMENT PROTÉGÉ PAR COPYRIGHT
© ISO 2016, Publié en Suisse
Droits de reproduction réservés. Sauf indication contraire, 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, l’affichage sur
l’internet ou sur un Intranet, sans autorisation écrite préalable. Les demandes d’autorisation peuvent être adressées à l’ISO à
l’adresse ci-après ou au comité membre de l’ISO dans le pays du demandeur.
ISO copyright office
Ch. de Blandonnet 8 • CP 401
CH-1214 Vernier, Geneva, Switzerland
Tel. +41 22 749 01 11
Fax +41 22 749 09 47
copyright@iso.org
www.iso.org
ii © ISO 2016 – Tous droits réservés
Sommaire Page
Avant-propos .iv
1 Domaine d’application . 1
2 Références normatives . 1
3 Dimensions . 1
4 Tolérances . 1
Annexe A (informative) Relation entre les désignations dans la présente Norme
internationale et l’ISO 13399 (toutes les parties) . 3
Bibliographie . 4
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
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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 (voir www.
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pour information, par souci de comm
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