ISO INTERNATIONAL STANDARD 7575 Second edition 1993-06-15 Commercial road vehicles --- Flat attachment wheel fixing nuts Vehicules utilitaires -- Ecrous de fixation des roues a attache plate Reference number ISO7575:1993(E) Copyright International Organization for Standardization with IS No reproduct ed without license from IHS ISO 7575:1993(E) Foreword ISO 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 representedonthatcommittee.Internationalorganizations,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. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International a vote. International Standard ISO 7575 was prepared by Technical Committee ISO/TC22,Roadvehicles,Sub-CommitteeSC19,Wheels. Thissecond edition cancels and replaces the edition are new. ISO 1993 All rights reserved. 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 per- mission in writing from the publisher. International Organization for Standardization Case Postale 56 · CH-1211 Geneve 20 · Switzerland Printed in Switzerland n for Standardization Not for Resale, 12/17/2015 20:08:36 MST ISO7575:1993(E) INTERNATIONAL STANDARD Commercial road vehicles - Flat attachment wheel fixing nuts 1 Scope to investigate the possibility of applying the most re- cent edition of the standard indicated below. Mem- bers of IEC and ISO maintain registers of currently This International Standard specifies the essential di- mensions of hexagon nuts with a flat seat captive valid international Standards. washer for 18 mm, 20 mm and 22 mm studs. ISO 4107:1979, Road vehicles - Wheels for com- It applies to nuts designed for fixing flat attachment mercial vehicles -Dimensional characteristics of at- wheels with centring on a central bore, the dimen- tachment on hub. sions of which are specified in IS0 4107. Dimensions 2 Normative reference Dimensions and tolerances shall be as specified in The following standard contains provisions which, figure 1 and table 1. through reference in this text, constitute provisions of this International Standard. At the time of publi- Only the dimensions necessary to ensure inter- cation, the edition indicated was valid. All standards changeability are specified. The nut technology, and are subject to revision, and parties to agreements particularly, the design of the nut relative to the based on this International Standard are encouraged washer, is left to the manufacturer. 1 No reproduction or networking permited without license from IHS Not for Resale, 12/17/2015 20:08:36 MST