ISO INTERNATIONAL STANDARD 888 Second edition 2012-04-15 Fasteners Bolts, screws and studs Nominal lengths and thread lengths Fixations - Vis, goujons et tiges filetees Longueurs nominales et longueurs filetees Reference number ISO 888:2012(E) ISO @ISO2012 ISO 888:2012(E) COPYRiGHTPROTECTEDDOCUMENT ISO2012 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 [email protected] Web www.iso.org Published in Switzerland = ISO2012-All rights reserved ISO 888:2012(E) Contents Page Foreword ..iv 1 Scope 2 Normative references 3 Symbols.. 4 Position of lengths and thread lengths 4.1 General. 4.2 Bolts and screws.... 2 4.3 Headless screws and set screws 4.4 Studs and similar fasteners. 5 Dimensions for lengths 5 6 Dimensions for thread lengths. @ ISO 2012 - All rights reserved ili