ISO INTERNATIONAL STANDARD 2284 Fourth edition 2017-02 Hand taps for parallel and taper pipe threads General dimensions and marking Tarauds d main pour filetages cylindrique et conique de tuyauterie - Dimensions générales et marquage Reference number IS0 2284:2017(E) International Organization for Standardization @ IS0 2017 e=ZHEJIANG INST OF STANDARDIZATION C1 5956617 mitted without license from IHS IS0 2284:2017(E) COPYRIGHT PROTECTED DOCUMENT @ IS0 2017, Published in Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form 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 copyrightoffice Ch. de Blandonnet 8 . CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +41 22 749 09 47 [email protected] www.iso.org Licensee-ZHEJIANG INST OF STANDARDIZzRoISQ7 - All rights reserved HS und Not for Resale, 2017/5/11 02:39:24 No reproduction or'networking permited without license from IHS IS0 2284:2017(E) Contents Page Foreword ..iv 1 Scope .1 2 Normative references 3 Terms and definitions 4 General dimensions. 5 Marking Annex A (informative) Bases for calculation of the dimensions Annex B (informative) Relationship between designations in this document and the IS0 13399 series. .6 Bibliography. 7 ntemaonalgnzatin7-All rights reserved iii icensee=ZHEJIANG INST OF STANDARDIZATION C1 5956617 ed without license from IHS Not for Resale, 2017/5/11 02:39:24