ISO INTERNATIONAL STANDARD 10669 First edition 1999-08-01 Plain washers for tapping screw and washer assemblies Normal and large series Product grade A Rondelles plates pour vis a tole a rondelle incorporée - Séries normale et large - Grade A 一 A Reference number ISO 10669:1999(E) No reproduction or networking permited without license from IHS Not for Resale ISO 10669:1999(E) Foreword ISO (theInternationalOrganizationforStandardization)isaworldwidefederationofnationalstandardsbodies(isO committees.Eachmemberbodyinterestedinasubjectforwhichatechnicalcommitteehasbeenestablishedhas liaisonwithisO,alsotakepartinthework.isOcollaboratescloselywiththeInternational Electrotechnical Commission (IEC)onall matters of electrotechnicalstandardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 3. International Standard ISO 10669 was prepared by Technical Committee ISO/TC 2, Fasteners. @ISO1999 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 the publisher. International Organization for Standardization Case postale 56. CH-1211 Geneve 20 . Switzerland Internet [email protected] Printed in Switzerland Copyvightlfteatinal Oorganizatinfor Standardization No reproduction or networking permited without license from IHS Not for Resale INTERNATIONAL STANDARD ISO 10669:1999(E) @ISO Plain washers for tapping screw and washer assemblies - Normal and large series Product grade A 1 Scope This International Standard specifies the characteristics of plain steel washers of product grade A for tapping screw and washer assemblies in accordance with Is0 10510. 2 Normative references Thefollowing normative documents contain provisions which,through reference inthis text, constituteprovisions of investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition of the normative document referred to applies. Members of ISO and IEC maintain registers of currently valid International Standards. Iso 4042:1999, Fasteners Electroplated coatings. Iso 4759-3:—2) , Tolerances for fasteners Part 3: Plain washers for bolts, screws and nuts Product grades A and C. Iso 6507-1:1997, Metallic materials — Vickers hardness test — Part 1: Test method. 1) To be published. (Revision of ISO 3269:1988) 2) To be published. (Revision of ISO 4759-3:1991) 1 No reproduction or networking permitted without license from IHS Not for Resale