ISO INTERNATIONAL STANDARD 4204 Secondedition 2016-10-15 Countersinks, 9o°, with Morse taper shanks and detachable pilots Outils a chanfreiner a 9o, a queue cone Morse et pilote amovible Reference number A IS0 4204:2016(E) ISO International Organization for Standardization @IS02016 No reproduction or networking permitted without license from IHS IS0 4204:2016(E) COPYRIGHT PROTECTED DOCUMENT IS0 2016, Published in Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below or ISO's member body in the country of the requester. ISO copyright office Ch. de Blandonnet 8 . CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +41 22 749 09 47 copyright@iso.org www.iso.org networking permited without license from IHS IS0 4204:2016(E) Contents Page Foreword ..iv 1 Scope .1 2 Normativereferences 3 Dimensions 4 Tolerances Annex A (informative) Relationship between designations in this International Standard and IS0 13399 3 Bibliography 4 Inteainal oganzation @st(Sar2a1.6 - All rights reserved ii se with ISt ed without license from IHS