ISO 15786:2008
(Main)Technical drawings — Simplified representation and dimensioning of holes
Technical drawings — Simplified representation and dimensioning of holes
ISO 15786:2008 specifies rules for the simplified representation, dimensioning and tolerancing of holes, counterbores, internal threads and chamfers on drawings.
Dessins techniques — Représentation et cotation simplifiées des trous
General Information
Buy Standard
Standards Content (Sample)
INTERNATIONAL ISO
STANDARD 15786
First edition
2008-10-01
Technical drawings — Simplified
representation and dimensioning of holes
Dessins techniques — Représentation et cotation simplifiées des trous
Reference number
ISO 15786:2008(E)
©
ISO 2008
---------------------- Page: 1 ----------------------
ISO 15786:2008(E)
PDF disclaimer
This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but
shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In
downloading this file, parties accept therein the responsibility of not infringing Adobe's licensing policy. The ISO Central Secretariat
accepts no liability in this area.
Adobe is a trademark of Adobe Systems Incorporated.
Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation
parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by ISO member bodies. In
the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below.
COPYRIGHT PROTECTED DOCUMENT
© ISO 2008
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means,
electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or
ISO's member body in the country of the requester.
ISO copyright office
Case postale 56 • CH-1211 Geneva 20
Tel. + 41 22 749 01 11
Fax + 41 22 749 09 47
E-mail copyright@iso.org
Web www.iso.org
Published in Switzerland
ii © ISO 2008 – All rights reserved
---------------------- Page: 2 ----------------------
ISO 15786:2008(E)
Contents Page
Foreword. iv
Introduction . v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions. 2
4 Methods of representation and dimensioning of holes. 2
4.1 Complete representation and complete dimensioning of holes. 2
4.2 Complete representation and simplified dimensioning of holes. 2
4.3 Simplified representation and simplified dimensioning of holes. 2
4.4 Representation of holes on the same drawing. 2
5 Structure of dimensioning of holes . 3
5.1 Structure and sequence of descriptive elements for simplified dimensioning of holes . 3
5.2 Graphical symbols. 4
5.3 Number of groups of holes and number of holes in a group. 6
5.4 Indication of tolerances. 7
5.5 Hole bottom . 7
5.6 Countersinks and chamfers . 7
5.7 Depth dimensions. 8
5.8 Indication of surface texture. 10
5.9 Indication of dimensions on geometrical tolerances. 12
Annex A (informative) Examples for representation and dimensioning of holes, counterbores and
internal threads .
...
INTERNATIONAL ISO
STANDARD 15786
First edition
2008-10-01
Technical drawings — Simplified
representation and dimensioning of holes
Dessins techniques — Représentation et cotation simplifiées des trous
Reference number
ISO 15786:2008(E)
©
ISO 2008
---------------------- Page: 1 ----------------------
ISO 15786:2008(E)
PDF disclaimer
This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but
shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In
downloading this file, parties accept therein the responsibility of not infringing Adobe's licensing policy. The ISO Central Secretariat
accepts no liability in this area.
Adobe is a trademark of Adobe Systems Incorporated.
Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation
parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by ISO member bodies. In
the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below.
COPYRIGHT PROTECTED DOCUMENT
© ISO 2008
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means,
electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or
ISO's member body in the country of the requester.
ISO copyright office
Case postale 56 • CH-1211 Geneva 20
Tel. + 41 22 749 01 11
Fax + 41 22 749 09 47
E-mail copyright@iso.org
Web www.iso.org
Published in Switzerland
ii © ISO 2008 – All rights reserved
---------------------- Page: 2 ----------------------
ISO 15786:2008(E)
Contents Page
Foreword. iv
Introduction . v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions. 2
4 Methods of representation and dimensioning of holes. 2
4.1 Complete representation and complete dimensioning of holes. 2
4.2 Complete representation and simplified dimensioning of holes. 2
4.3 Simplified representation and simplified dimensioning of holes. 2
4.4 Representation of holes on the same drawing. 2
5 Structure of dimensioning of holes . 3
5.1 Structure and sequence of descriptive elements for simplified dimensioning of holes . 3
5.2 Graphical symbols. 4
5.3 Number of groups of holes and number of holes in a group. 6
5.4 Indication of tolerances. 7
5.5 Hole bottom . 7
5.6 Countersinks and chamfers . 7
5.7 Depth dimensions. 8
5.8 Indication of surface texture. 10
5.9 Indication of dimensions on geometrical tolerances. 12
Annex A (informative) Examples for representation and dimensioning of holes, counterbores and
internal threads .
...
Questions, Comments and Discussion
Ask us and Technical Secretary will try to provide an answer. You can facilitate discussion about the standard in here.