BS ISO 2902-2016 ISO metric trapezoidal screw threads General plan《ISO公制梯形螺纹 总平面图》.pdf

1、BS ISO 2902:2016ISO metric trapezoidal screwthreads General planBSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06BS ISO 2902:2016 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of ISO 2902:2016.The UK participation in its preparation w

2、as entrusted to Technical Committee FME/9, Fasteners.A list of organizations represented on this committee can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. The Briti

3、sh Standards Institution 2016.Published by BSI Standards Limited 2016ISBN 978 0 580 92687 7 ICS 21.040.10 Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 Sept

4、ember 2016.Amendments/corrigenda issued since publicationDate T e x t a f f e c t e dBS ISO 2902:2016 ISO 2016ISO metric trapezoidal screw threads General planFiletages mtriques trapzodaux ISO Vue densembleINTERNATIONAL STANDARDISO2902Second edition 2016-09-01Reference numberISO 2902:2016(E)BS ISO 2

5、902:2016ISO 2902:2016(E)ii ISO 2016 All rights reservedCOPYRIGHT PROTECTED DOCUMENT ISO 2016, Published in SwitzerlandAll 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

6、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 ISOs member body in the country of the requester.ISO copyright officeCh. de Blandonnet 8 CP 401CH-1214 Vernier, Geneva, SwitzerlandTel. +41 2

7、2 749 01 11Fax +41 22 749 09 47copyrightiso.orgwww.iso.orgBS ISO 2902:2016ISO 2902:2016(E)Foreword iv1 Scope . 12 Normative references 13 Terms and definitions . 14 Choice of diameter and pitch . 15 Diameter and pitch combinations 16 Designation 1Bibliography 4 ISO 2016 All rights reserved iiiConten

8、ts PageBS ISO 2902:2016ISO 2902:2016(E)ForewordISO (the International Organization for Standardization) is a worldwide 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

9、 interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotec

10、hnical Commission (IEC) on all matters of electrotechnical standardization.The procedures used to develop this document and those intended for its further maintenance are described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the different types of ISO

11、documents should be noted. This document was drafted in accordance with the editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held respo

12、nsible for identifying any or all such patent rights. Details of any patent rights identified during the development of the document will be in the Introduction and/or on the ISO list of patent declarations received (see www.iso.org/patents).Any trade name used in this document is information given

13、for the convenience of users and does not constitute an endorsement.For an explanation on the meaning of ISO specific terms and expressions related to conformity assessment, as well as information about ISOs adherence to the World Trade Organization (WTO) principles in the Technical Barriers to Trad

14、e (TBT) see the following URL: www.iso.org/iso/foreword.html.The committee responsible for this document is ISO/TC 1, Screw threads.This second edition cancels and replaces the first edition (ISO 2902:1977), Clause 4 of which has been technically revised (now Clause 6).iv ISO 2016 All rights reserve

15、dBS ISO 2902:2016INTERNATIONAL STANDARD ISO 2902:2016(E)ISO metric trapezoidal screw threads General plan1 ScopeThis document specifies a series of diameter and pitch combinations for ISO metric trapezoidal screw threads having the basic and design profiles according to ISO 2901.This document is chi

16、efly applicable to traversing threads for traversing motion on machines, tools, etc. It can also be used for fastening threads.2 Normative referencesThe following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For date

17、d references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.ISO 2903, ISO metric trapezoidal screw threads Tolerances3 Terms and definitionsFor the purposes of this document, the terms and definitions given in

18、 ISO 5408 apply.ISO and IEC maintain terminological databases for use in standardization at the following addresses: IEC Electropedia: available at http:/www.electropedia.org/ ISO Online browsing platform: available at http:/www.iso.org/obp4 Choice of diameter and pitchChoose, for preference, diamet

19、ers in column 1 of Table 1 and, if necessary, in column 2, and then in column 3.The diameters in column 3 shall not be used for new designs.For the diameter selected, choose one of the pitches shown on the corresponding line, for preference, the pitches within broad frames.If it is necessary to use

20、a trapezoidal thread with a pitch other than shown in the table, choose one of the pitches assigned to a neighbouring diameter.5 Diameter and pitch combinationsThe nominal diameter and pitch combinations are specified in Table 1.6 DesignationA screw thread in conformity with this document shall be d

21、esignated in accordance with ISO 2903. ISO 2016 All rights reserved 1BS ISO 2902:2016ISO 2902:2016(E)Table 1 Nominal diameter and pitch combinationsDimensions in millimetresNominal diametersD, dPitchesPCol. 1 Col. 2 Col. 3 44 40 36 32 28 24 22 20 18 16 14 12 10 9 8 7 6 5 4 3 2 1,58 1,59 2 1,510 2 1,

22、511 3 212 3 214 3 216 4 218 4 220 4 222 8 5 324 8 5 326 8 5 328 8 5 330 10 6 332 10 6 334 10 6 336 10 6 338 10 7 340 10 7 342 10 7 344 12 7 346 12 8 348 12 8 350 12 8 352 12 8 355 14 9 360 14 9 365 16 10 470 16 10 475 16 10 480 16 10 485 18 12 490 18 12 495 18 12 4100 20 12 4105 20 12 4110 20 12 411

23、5 22 14 6120 22 14 62 ISO 2016 All rights reservedBS ISO 2902:2016ISO 2902:2016(E)Table 1 (continued)Dimensions in millimetresNominal diametersD, dPitchesPCol. 1 Col. 2 Col. 3 44 40 36 32 28 24 22 20 18 16 14 12 10 9 8 7 6 5 4 3 2 1,5125 22 14 6130 22 14 6135 24 14 6140 24 14 6145 24 14 6150 24 16 6

24、155 24 16 6160 28 16 6165 28 16 6170 28 16 6175 28 16 8180 28 18 8185 32 18 8190 32 18 8195 32 18 8200 32 18 8210 36 20 8220 36 20 8230 36 20 8240 36 22 8250 40 22 12260 40 22 12270 40 24 12280 40 24 12290 44 24 12300 44 24 12 ISO 2016 All rights reserved 3BS ISO 2902:2016ISO 2902:2016(E)Bibliograph

25、y1 ISO 2901, ISO metric trapezoidal screw threads Basic and design profiles2 ISO 5408, Screw threads Vocabulary4 ISO 2016 All rights reservedBS ISO 2902:2016BS ISO 2902:2016ISO 2902:2016(E) ISO 2016 All rights reservedICS 21.040.10Price based on 4 pagesThis page deliberately left blankBSI is the nat

26、ional body responsible for preparing British Standards and other standards-related publications, information and services.BSI is incorporated by Royal Charter. British Standards and other standardization products are published by BSI Standards Limited.British Standards Institution (BSI)About usWe br

27、ing together business, industry, government, consumers, innovators and others to shape their combined experience and expertise into standards -based solutions.The knowledge embodied in our standards has been carefully assembled in a dependable format and refined through our open consultation process

28、. Organizations of all sizes and across all sectors choose standards to help them achieve their goals.Information on standardsWe can provide you with the knowledge that your organization needs to succeed. Find out more about British Standards by visiting our website at or contacting our Customer Se

29、rvices team or Knowledge Centre.Buying standardsYou can buy and download PDF versions of BSI publications, including British and adopted European and international standards, through our website at where hard copies can also be purchased. If you need international and foreign standards from other S

30、tandards Development Organizations, hard copies can be ordered from our Customer Services team.Copyright in BSI publicationsAll the content in BSI publications, including British Standards, is the property of and copyrighted by BSI or some person or entity that owns copyright in the information used

31、 (such as the international standardization bodies) and has formally licensed such information to BSI for commercial publication and use.Save for the provisions below, you may not transfer, share or disseminate any portion of the standard to any other person. You may not adapt, distribute, commercia

32、lly exploit, or publicly display the standard or any portion thereof in any manner whatsoever without BSIs prior written consent.Storing and using standardsStandards purchased in soft copy format: A British Standard purchased in soft copy format is licensed to a sole named user for personal or inter

33、nal company use only. The standard may be stored on more than 1 device provided that it is accessible by the sole named user only and that only 1 copy is accessed at any one time. A single paper copy may be printed for personal or internal company use only.Standards purchased in hard copy format: A

34、British Standard purchased in hard copy format is for personal or internal company use only. It may not be further reproduced in any format to create an additional copy. This includes scanning of the document.If you need more than 1 copy of the document, or if you wish to share the document on an in

35、ternal network, you can save money by choosing a subscription product (see Subscriptions).Reproducing extractsFor permission to reproduce content from BSI publications contact the BSI Copyright & Licensing team.SubscriptionsOur range of subscription services are designed to make using standards easi

36、er for you. For further information on our subscription products go to British Standards Online (BSOL) youll have instant access to over 55,000 British and adopted European and international standards from your desktop. Its available 24/7 and is refreshed daily so youll always be up to date. You ca

37、n keep in touch with standards developments and receive substantial discounts on the purchase price of standards, both in single copy and subscription format, by becoming a BSI Subscribing Member. PLUS is an updating service exclusive to BSI Subscribing Members. You will automatically receive the la

38、test hard copy of your standards when theyre revised or replaced. To find out more about becoming a BSI Subscribing Member and the benefits of membership, please visit a Multi-User Network Licence (MUNL) you are able to host standards publications on your intranet. Licences can cover as few or as m

39、any users as you wish. With updates supplied as soon as theyre available, you can be sure your documentation is current. For further information, email .RevisionsOur British Standards and other publications are updated by amendment or revision. We continually improve the quality of our products and

40、services to benefit your business. If you find an inaccuracy or ambiguity within a British Standard or other BSI publication please inform the Knowledge Centre.Useful ContactsCustomer ServicesTel: +44 345 086 9001Email (orders): Email (enquiries): SubscriptionsTel: +44 345 086 9001Email: Knowledge CentreTel: +44 20 8996 7004Email: Copyright & LicensingTel: +44 20 8996 7070Email: NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Group Headquarters389 Chiswick High Road London W4 4AL UKBSI Back Cover.indd 1 27/01/2016 14:20