ISO INTERNATIONAL STANDARD 12164-2 Second edition 2023-10 Hollow taper interface with flange contact surface - Part 2: Receivers of types A, C and E for hollow taper shanks of types A, AB, C, CB and EB Interfacesaconecreux-face- Partie 2: Nez de broches de type A, Cet E pour queuesa cone creux- face de type A, AB, C, CB et EB Reference number ISO 12164-2:2023(E) ISO @ IS0 2023 IS0 12164-2:2023(E) COPYRIGHTPROTECTEDDOCUMENT @IS02023 All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may be reproduced or utilized otherwise in anyform 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 IO at the address below or Iso's member body in the country of the requester. ISO copyright office CP 401 : Ch.de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +41 22 749 01 11 Email: [email protected] Website: www.iso.org Published in Switzerland ii IS02023-Allrightsreserved IS0 12164-2:2023(E) Contents Page Foreword. ..iv 1 Scope. .1 2 Normativereferences 3 Terms and definitions 4 Receiversforhollowtapershanks,typesanddimensions .2 4.1 General. .2 2 4.2 ReceiveroftypeAforhollowtapershanks oftypesAandAB 4.3 ReceiveroftypeCforhollowtapershanksoftypesCandCB 3 4.4 ReceiveroftypeEforhollowtapershanksoftypeEB .5 4.5 Dimensions .6 5 Design .7 5.1 HSK sizes and types .7 5.2 Materialandheattreatment .7 Designation. .7 6 Annex A (informative)Recommendations for use andapplication .8 Bibliography 9 @IS0 2023-All rights reserved iii