ISO INTERNATIONAL STANDARD 1174-1 Second edition 2011-04-15 Assembly tools for screws and nuts - Driving squares Part 1: Driving squares for hand socket tools Outils de manceuvre pour vis et écrous - Carrés d'entrainement - Partie 1: Carrés d'entrainement pour outils a main Reference number ISO 1174-1:2011(E) @ ISO 2011 International Organization for Standardization ng Institute of S dardization 5956617 vided by IHS under ted without license from IHS ISO 1174-1:2011(E) COPYRIGHTPROTECTEDDOCUMENT @ ISO2011 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, 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 icensee=zZheliag nstute of Standardization 595@eilISO 2011 - All rights reserved vided by IHS unde itted without license from HS ISO 1174-1:2011(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 technicalcommittees.Eachmemberbodyinterestedinasubjectforwhichatechnicalcommitteehasbeen established has the right to be represented on that committee. International organizations, governmental and International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/lEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. ISO 1174-1 was prepared by Technical Committee ISO/TC 29, Small tools, Subcommittee SC 10, Assembly tools for screws and nuts, pliers and nippers. have been technically revised. Iso 1174 consists of the following parts, under the general title Assembly tools for screws and nuts Driving squares: Part 1: Driving squares for hand socket tools Part 2: Driving squares forpower socket tools zation @ JS@araoh - All rights reserved ili