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    EN ISO 887-2000 en Plain washers for metric bolts screws and nuts for general purposes - General plan (Incorporating corrigendum January 2006)《通用米制螺栓 螺钉和螺母用平垫圈 一般示意图 包含修改件2006年1月》.pdf

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    EN ISO 887-2000 en Plain washers for metric bolts screws and nuts for general purposes - General plan (Incorporating corrigendum January 2006)《通用米制螺栓 螺钉和螺母用平垫圈 一般示意图 包含修改件2006年1月》.pdf

    1、BRITISH STANDARD BS EN ISO 887:2000 Incorporating corrigendum no. 1 Plain washers for metric bolts, screws and nuts for general purposes General plan The European Standard EN ISO 887:2000 has the status of a British Standard ICS 21.060.30 BS EN ISO 887:2000 This British Standard, having been prepare

    2、d under the direction of the Engineering Sector Committee, was published under the authority of the Standards Committee and comes into effect on 15 September 2000 BSI 2007 ISBN 0 580 36361 9 National foreword This British Standard was published by BSI. It is the UK implementation of EN ISO 887:2000,

    3、 incorporating corrigendum January 2006. It is identical with ISO 887:2000, incorporating corrigendum January 2006. The start and finish of text introduced or altered by corrigendum is indicated in the text by tags . Text altered by ISO corrigendum January 2006 is indicated in the text by . The UK p

    4、articipation in its preparation was entrusted to Technical Committee FME/9, Bolts, nuts and accessories (+QA mediumseriesforwashersofproductgradeAwithanominalthicknessequaltoorgreaterthan6mm,i.e.for nominalsizesW39mmandforwashersofproductgradeC. NOTE ThetolerancesforclearanceholesgiveninISO273forinf

    5、ormationarenotapplicabletoplainwashersofproduct gradesAandC;seeclause6. EN ISO 887:20002 4 Outsidediameters Theoutsidediametersd 2 forwashers(seeFigure1)shallbechosenfromthevaluesgiveninTable1. Table1Dimensionsd 2 Valuesinmillimetres 2,5 8 18 39 80 125 185 3 9 20 44 85 135 200 3,5 10 22 50 92 140 21

    6、0 4 11 24 56 98 145 220 4,5 12 28 60 105 160 230 5 14 30 66 110 165 240 6 15 34 72 115 175 250 7 16 37 78 120 180 5 Thicknesses Thewasherthicknessesh(seeFigure1)shallbechosenfromthevaluesgiveninTable2. Table2Dimensionsh Valuesinmillimetres 0,3 1 2 4 8 14 0,5 Textdeleted 2,5 5 10 16 0,8 1,6 3 6 12 18

    7、 6 Tolerances ThetolerancesforwashersarespecifiedinISO4759-3. EN ISO 887:2000 3 7 Preferredcombinationsofplain-washerdimensions Thepreferredcombinationsofnominaldimensionsd 1 ,d 2 andhforplainwashersofproductgradesAandC(see Figure1)aregiveninTable3.Thewashersaredividedintofourseries:small,normal,lar

    8、geandextralarge.These seriesarerelatedtothesizeoftheoutsidediameterd 2 . Figure1Dimensions EN ISO 887:20004 Table 3 Nominal dimensions of plain washers Dimensions en millimetres Nominal size Series Small Normal Large Extra large Product grade A Product grade A Product grade C Product grade A Product

    9、 grade C Product grade C (Thread size, d) d 1 d 2 h ISO 7092 d 1 d 2 h ISO 7089 ISO 7090 d 1 d 2 h ISO 7091 d 1 d 2 h ISO 7093-1 d 1 d 2 h ISO 7093-2 d 1 d 2 h ISO 7094 1 1,1 2,5 0,3 1,1 3 0,3 1,2 3 0,3 1,2 1,3 3 0,3 1,3 3,5 0,3 1,4 3,5 0,3 1,4 1,5 3 0,3 1,5 4 0,3 1,6 4 0,3 1,6 1,7 3,5 0,3 X 1,7 4 0

    10、,3 X 1,8 4 0,3 X 1,7 5 0,3 1,8 5 0,3 1,8 2 4 0,3 2 4,5 0,3 2,1 4,5 0,3 2 2,1 2 2,2 4,5 0,3 X 2,2 5 0,3 X 2,4 5 0,3 X 2,2 6 0,5 2,4 6 0,5 2,2 2,4 4,5 0,3 2,4 6 0,5 2,6 6 0,5 2,4 2,6 2,5 2,7 5 0,5 X 2,7 6 0,5 X 2,9 7 0,5 X 2,7 8 0,5 2,9 8 0,5 3 3,2 6 0,5 X 3,2 7 0,5 X 3,4 7 0,5 X 3,2 9 0,8 X 3,4 9 0,8

    11、 X 3,5 3,7 7 0,5 X 3,7 8 0,5 X 3,9 8 0,5 X 3,7 11 0,8 X 3,9 11 0,8 X 4 4,3 8 0,5 X 4,3 9 0,8 X 4,5 9 0,8 X 4,3 12 1 X 4,5 12 1 X 4,5 4,8 9 0,8 4,8 10 0,8 5 10 0,8 4,8 15 1 5 15 1 5 5,3 9 1 X 5,3 10 1 X X 5,5 10 1 X 5,3 15 1 X 5,5 15 1 X 5,5 18 2 X 6 6,4 11 1,6 X 6,4 12 1,6 X X 6,6 12 1,6 X 6,4 18 1,

    12、6 X 6,6 18 1,6 X 6,6 22 2 X 7 7,4 12 1,6 7,4 14 1,6 7,6 14 1,6 7,4 22 2 7,6 22 2 7,6 24 2 8 8,4 15 1,6 X 8,4 16 1,6 X X 9 16 1,6 X 8,4 24 2 X 9 24 2 X 9 28 3 X 10 10,5 18 1,6 X 10,5 20 2 X X 11 20 2 X 10,5 30 2,5 X 11 30 2,5 X 11 34 3 X 12 13 20 2 X 13 24 2,5 X X 13,5 24 2,5 X 13 37 3 X 13,5 37 3 X

    13、13,5 44 4 X 14 15 24 2,5 X 15 28 2,5 X X 15,5 28 2,5 X 15 44 3 X 15,5 44 3 X 15,5 50 4 X 16 17 28 2,5 X 17 30 3 X X 17,5 30 3 X 17 50 3 X 17,5 50 3 X 17,5 56 5 X 18 19 30 3 X 19 34 3 X X 20 34 3 X 19 56 4 X 20 56 4 X 20 60 5 X 20 21 34 3 X 21 37 3 X X 22 37 3 X 21 60 4 X 22 60 4 X 22 72 6 X 22 23 37

    14、 3 X 23 39 3 X X 24 39 3 X 23 66 5 X 24 66 5 X 24 80 6 X 24 25 39 4 X 25 44 4 X X 26 44 4 X 25 72 5 X 26 72 5 X 26 85 6 X 27 28 44 4 X 28 50 4 X X 30 50 4 X 30 85 6 X 30 85 6 X 30 98 6 X 30 31 50 4 X 31 56 4 X X 33 56 4 X 33 92 6 X 33 92 6 X 33 105 6 X 33 34 56 5 X 34 60 5 X X 36 60 5 X 36 105 6 X 3

    15、6 105 6 X 36 115 8 X EN ISO 887:2000 5 36 37 60 5 X 37 66 5 X X 39 66 5 X 39 110 8 X 39 110 8 X 39 125 8 X 39 42 72 6 X X 42 72 6 X 42 120 8 42 120 8 42 140 10 42 45 78 8 X X 45 78 8 X 45 125 10 45 125 10 45 48 85 8 X X 48 85 8 X 48 135 10 48 135 10 48 52 92 8 X X 52 92 8 X 52 145 10 52 145 10 52 56

    16、 98 8 X X 56 98 8 X 56 160 10 56 160 10 56 62 105 10 X X 62 105 10 X 60 66 110 10 X X 66 110 10 X 64 70 115 10 X X 70 115 10 X 68 74 120 10 74 120 10 72 78 125 10 78 125 10 76 82 135 10 82 135 10 80 86 140 12 86 140 12 85 91 145 12 91 145 12 90 96 160 12 96 160 12 95 101 165 12 101 165 12 100 107 17

    17、5 14 107 175 14 105 112 180 14 112 180 14 110 117 185 14 117 185 14 115 122 200 14 122 200 14 120 127 210 16 127 210 16 125 132 220 16 132 220 16 130 137 230 16 137 230 16 140 147 240 18 147 240 18 150 157 250 18 157 250 18 NOTE The crosses indicate washers specified in the corresponding Internation

    18、al Standards. EN ISO 887:20006 AnnexA (informative) Guidanceontheuseofplainwasherswithbolts,screwsandnuts Anoverviewofsuitablecombinationsofplainwashersandbolts,screwsornutsinrespectofproperty(hardness) classesandproductgradesisgiveninTableA.1. Moredetailedinformation,includingwasherseriesandboltors

    19、crewheadshape,isgiveninthescopesofthe respectiveplain-washerproductstandards. TableA.1 Hardnessclass 100HV 200HV 300HV Washers Productgrade C A A Anoyesyes Bnoyesyes Bolts,screws,nuts Productgrade C yes no no u6.8 yes yes yes 8.8 no yes yes 9.8,10.9 no no yes Bolts,screws Propertyclass 12.9 no no no

    20、 u6 yes yes yes 8noyesyes 9,10 no no yes Nuts Propertyclass 12 no no no Case-hardenedthreadrollingscrews yes yes yes Stainless-steelbolts,screwsandnuts yes EN ISO 887:2000 7 Bibliography 1ISO4759-3:2000, Tolerances for fasteners Part 3: Plain washers for bolts, screws and nuts Product grades A and C

    21、. 2ISO7089:2000, Plain washers Normal series Product grade A. 3ISO7090:2000, Plain washers, chamfered Normal series Product grade A. 4ISO7091:2000, Plain washers Normal series Product grade C. 5ISO7092:2000, Plain washers Small series Product grade A. 6ISO7093-1:2000, Plain washers Large series Part

    22、 1: Product grade A. 7ISO7093-2:2000, Plain washers Large series Part 2: Product grade C. 8ISO7094:2000, Plain washers Extra large series Product grade C. EN ISO 887:2000AnnexZA (normative) Normativereferencestointernationalpublications withtheirrelevantEuropeanpublications ThisEuropeanStandardincor

    23、poratesbydatedorundatedreference,provisionsfromother publications.Thesenormativereferencesarecitedattheappropriateplacesinthetextandthe publicationsarelistedhereafter.Fordatedreferences,subsequentamendmentstoorrevisionsof anyofthesepublicationsapplytothisEuropeanStandardonlywhenincorporatedinitby am

    24、endmentorrevision.Forundatedreferencesthelatesteditionofthepublicationreferredto applies. Publication Year Title EN Year ISO273 1979FastenersClearanceholesforboltsandscrew sEN20273 1991 EN ISO 887:2000 8 blankBS EN ISO 887:2000 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Instituti

    25、on BSI is the independent national body responsible for preparing British Standards. It presents the UK view on standards in Europe and at the international level. It is incorporated by Royal Charter. Revisions British Standards are updated by amendment or revision. Users of British Standards should

    26、 make sure that they possess the latest amendments or editions. It is the constant aim of BSI to improve the quality of our products and services. We would be grateful if anyone finding an inaccuracy or ambiguity while using this British Standard would inform the Secretary of the technical committee

    27、 responsible, the identity of which can be found on the inside front cover. Tel: +44 (0)20 8996 9000. Fax: +44 (0)20 8996 7400. BSI offers members an individual updating service called PLUS which ensures that subscribers automatically receive the latest editions of standards. Buying standards Orders

    28、 for all BSI, international and foreign standards publications should be addressed to Customer Services. Tel: +44 (0)20 8996 9001. Fax: +44 (0)20 8996 7001. Email: ordersbsi-. Standards are also available from the BSI website at http:/www.bsi-. In response to orders for international standards, it i

    29、s BSI policy to supply the BSI implementation of those that have been published as British Standards, unless otherwise requested. Information on standards BSI provides a wide range of information on national, European and international standards through its Library and its Technical Help to Exporter

    30、s Service. Various BSI electronic information services are also available which give details on all its products and services. Contact the Information Centre. Tel: +44 (0)20 8996 7111. Fax: +44 (0)20 8996 7048. Email: infobsi-. Subscribing members of BSI are kept up to date with standards developmen

    31、ts and receive substantial discounts on the purchase price of standards. For details of these and other benefits contact Membership Administration. Tel: +44 (0)20 8996 7002. Fax: +44 (0)20 8996 7001. Email: membershipbsi-. Information regarding online access to British Standards via British Standard

    32、s Online can be found at http:/www.bsi- Further information about BSI is available on the BSI website at http:/www.bsi-. Copyright Copyright subsists in all BSI publications. BSI also holds the copyright, in the UK, of the publications of the international standardization bodies. Except as permitted

    33、 under the Copyright, Designs and Patents Act 1988 no extract may be reproduced, stored in a retrieval system or transmitted in any form or by any means electronic, photocopying, recording or otherwise without prior written permission from BSI. This does not preclude the free use, in the course of i

    34、mplementing the standard, of necessary details such as symbols, and size, type or grade designations. If these details are to be used for any other purpose than implementation then the prior written permission of BSI must be obtained. Details and advice can be obtained from the Copyright & Licensing Manager. Tel: +44 (0)20 8996 7070. Fax: +44 (0)20 8996 7553. Email: copyrightbsi-.


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