1、nullnullnullnullnullnullnull nullnullnullnullnullnullnullnullnullnull nullnullnullnullnull nullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnullnull nullnullnullnullnullnull nullnullnullnullnullnullnullnullnullnullnull nullnullnullnull nullnullnullnullnullnullnullnullnull nullnullnullnull
2、nullnullnullnullnullnullnull nullnullnullnullnullnullnull nullnullnullnullnullnullnull nullnullnull nullnullnullnullnullnullnullnullnullnull nullnullnullnullnullnull nullnull nullnullnullnullnullnullnullnullnull nullnull nullnullnullnullnullnullnullnullnull nullnullnull+A1:2012National forewordBS EN
3、 ISO 10642:2004+A1:2012This British Standard was published under the authority of the Standards Policy and Strategy Committee on 10 March 2004 The British Standards Institution 2013. Published by BSI Standards Limited 2013Amendments/corrigenda issued since publicationDate Comments CEN endorsement A1
4、:2012: Table 1 updatedISBN 978 0 580 77977 0This British Standard is the UK implementation of EN ISO 10642:2004+A1:2012. It is identical to ISO 10642:2004, which is withdrawn.The UK participation in its preparation was entrusted to Technical Committee FME/9, Fasteners.A list of organizations represe
5、nted 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.Compliance with a British Standard cannot confer immunity from legal obligations.incorporating
6、 amendment 1:2012. It supersedes BS EN ISO 10642:2004, 28 February 2013 Implementation of ISO amendment 1:2012 with EUROPEANSTANDARDNORMEEUROPENNEEUROPISCHENORMICS 21.060.10English versionHexagon socket countersunkhead screws(ISO10642:2004)Vis ttefraise six pans creux (ISO10642:2004) Senkschraubenmi
7、t Innensechskant (ISO10642:2004)This EuropeanStandard was approvedby CENon16 January 2004.CENmembersarebound tocomply with theCEN/CENELECInternalRegulations which stipulate theconditions for giving this EuropeanStandard the status ofanational standard withoutany alteration.Up-to-datelists andbibliog
8、raphical references concerning suchnationalstandards may beobtainedonapplication to theManagement Centreor toany CENmember.This EuropeanStandardexists in threeofficial versions (English,French,German).A versioninany other languagemadeby translationunder the responsibilityofaCENmember intoitsownlangu
9、ageandnotified to theManagement Centrehas the same status as theofficialversions.CENmembersare thenational standards bodies ofAustria,Belgium,Cyprus,CzechRepublic,Denmark,Estonia,Finland,France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Latvia,Lithuania,Luxembourg,Malta,Netherlands,Norway,Poland,P
10、ortugal,Slovakia,Slovenia,Spain,Sweden,SwitzerlandandUnitedKingdom.EUROPEAN COMMITTEE FORSTANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FRNORMUNGManagement Centre: ruedeStassart, 36 B-1050 Brussels 2004CENAll rightsofexploitationinany formandby any means reservedworldwidefor CENnat
11、ionalMembers.Ref.No.ENISO10642:2004EEN ISO 10642:2004+A1December 20122ForewordThis document (ENISO10642:2004)has beenpreparedby TechnicalCommitteeISO/TC 2“Fasteners“incollaboration withTechnicalCommitteeCEN/TC185“Threadedandnon-threadedmechanicalfastenersandaccessories“, the secretariatof whichis he
12、ldby DIN.This EuropeanStandard shallbegiven the statusofanational standard,eitherbypublicationofanidentical textor by endorsement,at thelatestbySeptember 2004,andconflictingnationalstandards shallbewithdrawnat thelatestbySeptember 2004.This document supersedes ENISO10642:1997.According to theCEN/CEN
13、ELECInternalRegulations, thenational standards organizationsofthefollowingcountries arebound toimplement this EuropeanStandard:Austria,Belgium,Cyprus,CzechRepublic,Denmark,Estonia,Finland,France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Latvia,Lithuania,Luxembourg,Malta,Netherlands,Norway,Poland,
14、Portugal,Slovakia,Slovenia,Spain,Sweden,SwitzerlandandUnitedKingdom.Endorsement noticeThe textofISO10642:2004has beenapprovedby CENasENISO10642:2004 withoutanymodifications.BS EN ISO 10642:2004+A1:2012 EN ISO 10642:2004+A1:2012 (E)Foreword to amendment A1This document (EN ISO 10642:2004/A1:2012) has
15、 been prepared by Technical Committee ISO/TC 2 “Fasteners” of the International Organization for Standardization (ISO) has been taken over as an amendment to the European Standard by Technical Committee CEN/TC 185 “Fasteners” the secretariat of which is held by DIN.This Amendment to the European Sta
16、ndard EN ISO 10642:2004 shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by June 2013, and confl icting national standards shall be withdrawn at the latest by June 2013.Attention is drawn to the possibility that some of the
17、 elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights.According to the CEN/CENELEC Internal Regulations, the national standards organisations of the following countries are bound to implement thi
18、s European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovaki
19、a, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom.Endorsement noticeThe text of ISO 10642:2004/Amd 1:2012 has been approved by CEN as a EN ISO 10642:2004/A1:2012 without any modifi cation.INTERNATIONALSTANDARDISO10642Secondedition2004-03-01ReferencenumberISO10642:2004(E) OSI2004
20、Hexagon socket countersunkheadscrewsVis ttefraise six pans creuxISO:24601(4002)Eii ISO4002All rithgs reresvdeidFDPscalimerThFDP sifameliyctnomeniat deddebyepfa.secIncacnadrociw eth sebodAsneciliycilopgn, thf siamelirpeb ytnideorviewbdetullahston tide ebed lnuet sst ehyfepcaahcihw serdebme et desneci
21、l era dedo tsni dnat no dellahpmoc eturep reformign ttide ehign. Inodt gnidaolnwsih liferap ,tcca seitpe trehnie snopser ehtitilibyfonto fnirA gnigniycilop gnisnecil sebod.Teh SItneC Olar Seerctraiatcatpecsibailontily t nih.aera siAebod ta sirramedakfoAsySebodtmeI snocrropta.deteDlias fo tfos ehtwcu
22、dorp erats t desutaerc ot esih FDP fb nac elifet ni dnuoGehreneIlafnr oleative tt ofeh;eli tPehDF-rctaenoitemaraptpoerew sremizifdeorp rinti.gnEvrey t neeb saheracakt neo rusnee ttahtfehtius sielibafelosu rebyISOmemdob rebsei.Inehtkilnuyleevtne ttahaborplme rtaleit gnoit sif,dnuoesaelpifnromthtneCer
23、laceSrteraita ta teh sserdda vigolebnew.IOS4002Alr lithgsreresv.de sselnUtoesiwrehsficep,deirapontfothbup silitaciamnocudorper eb ydeortuilidez nanif yorm roby nam ysnae,tcelerm rocinocinahcela, tohp gnidulcnicopomdna gniyicrfomli, tiwuoht repsimsi noinwrtif gnirtie mohI reSOta theasserddebwol orISO
24、mem srebobyd tnitnuocehryfoteheuqertsre.SIcOopyrigho tfifcesaCsopetela 65-HCG1121eneva 02T.le 22 14+10 947 11Fxa+22 14 0947749Eam-il ocpyrithgios.ogrWebwwwi.soo.rgBS EN ISO 10642:2004+A1:2012 ISO 10642:2004+A1:2012 (E)ISO46014002:2)E( ISO4002r llAithgs reservde iiiContents Page1Scope 12Normative ref
25、erences 13Dimensions andgaugingofhead 24Requirementsand referenceInternationalStandards .65Designation 7BS EN ISO 10642:2004+A1:2012 ISO 10642:2004+A1:2012 (E)O:24601(4002)Eiv ISO4002All rithgs reresvdeForewordISO(theInternationalOrganizationforStandardization)is a worldwidefederationofnational stan
26、dards bodies(ISO member bodies). The work of preparing InternationalStandards is normally carried out through ISOtechnical committees.Eachmemberbody interestedina subject for whicha technical committeehas beenestablishedhas the right tobe representedon that committee.Internationalorganizations,gover
27、nmentalandnon-governmental,inliaison withISO,also takepartin the work.ISOcollaborates closely with theInternationalElectrotechnicalCommission(IEC)onallmattersofelectrotechnical standardization.InternationalStandards aredraftedinaccordance with the rules givenin theISO/IECDirectives,Part2.Themaintask
28、of technical committees is to prepare International Standards. Draft International Standardsadoptedby the technicalcommittees are circulated to the member bodies for voting. Publication as anInternationalStandard requires approvalby at least 75%of themember bodiescastinga vote.Attentionis drawn toth
29、epossibilitythat someof theelementsof this documentmay bethe subjectofpatentrights.ISO shallnot beheld responsiblefor identifyingany or all suchpatent rights.ISO10642 was preparedby TechnicalCommitteeISO/TC2,Fasteners.This secondedition cancels and replaces the first edition (ISO10642:1997), which h
30、asbeen technicallyrevised.BS EN ISO 10642:2004+A1:2012 ISO 10642:2004+A1:2012 (E)ANRETNIITOTSLANDNADRA ISO46014002:2)E( ISO4002r llAithgs reservde 1Hexagon socket countersunkhead screws1ScopeThis International Standard specifies the characteristics of hexagon socket countersunk head screws withthrea
31、ds fromM3 up toandincludingM20, withproduct gradeAandproperty classes8.8,10.9and12.9.NOTE Particular attentionis drawn to thenoteinTable2 and toTable3,concerning thelimitationon ultimate tensileload.If,in specialcases,specifications other than thoselistedin thisInternationalStandardare required, the
32、y shouldbe selected from existing InternationalStandards,e.g. ISO261,ISO888, ISO898-1,ISO965-2 andISO4759-1.2Normative referencesThefollowing referenced documents areindispensable for the application of this document. For datedreferences,only theeditioncitedapplies.For undated references, thelateste
33、ditionof the referenceddocument(includingany amendments)applies.ISO225, FastenersBolts, screws, studs andnutsSymbols anddesignationsofdimensionsISO261, ISOgeneral-purposemetric screw threadsGeneralplanISO888, Bolts,screwsand studsNominallengths,and threadlengths for generalpurposeboltsISO898-1, Mech
34、anicalpropertiesoffastenersmadeofcarbonsteelandalloy steelPart1:Bolts, screwsandstudsISO965-2, ISOgeneral purposemetric screw threadsTolerancesPart2:Limits of sizes for generalpurposeexternalandinternal screw threadsMedium qualityISO965-3, ISOgeneralpurposemetricscrew threadsTolerancesPart3:Deviatio
35、ns forconstructionalscrew threadsISO3269,FastenersAcceptanceinspectionISO4042,FastenersElectroplatedcoatingsISO4753,FastenersEnds ofpartswithexternalISOmetricthreadISO4759-1,Tolerances for fastenersPart1:Bolts,screws, studs andnutsProduct grades A,BandCISO6157-1,FastenersSurfacediscontinuitiesPart1:
36、Bolts,screwsand studs for general requirementsISO6157-3,FastenersSurfacediscontinuitiesPart3:Bolts,screwsand studs for special requirementsISO8992,FastenersGeneral requirementsfor bolts, screws, studs andnutsISO10683, FastenersNon-electrolyticallyapplied zincflakecoatingsISO23429, Gaugingofhexagon s
37、ocketsBS EN ISO 10642:2004+A1:2012 ISO 10642:2004+A1:2012 (E)2 ISO4002All rithgs reresvde3Dimensions andgaugingofhead3.1DimensionsSeeFigure1andTable1.Symbols anddesignations ofdimensions aredefinedinISO225.Permissiblealternativeformof socketFigure1Hexagon socket countersunkhead screwsBS EN ISO 10642
38、:2004+A1:2012 ISO 10642:2004+A1:2012 (E)ISO46014002:2)E( ISO4002r llAithgs reservde 33.2 GaugingofheadSeeFigure2.The top surfaceof the screw shallbelocatedbetween thegauge surfacesAandB.For broached socketswhichareatthemaximumlimitof size theovercut resultingfromdrilling shallnotexceed1/3of thelengt
39、hofany flat of the socket whichis .a A slight roundingor countersinkat themouthof the socket is permissible.b Point tobechamferedor,for sizes M4andbelow,“as rolled”inaccordance withISO4753.c Edgeof thehead tobe truncatedor rounded.d .e Incomplete thread .f applies if values ofare specified.Tolerance
40、s inmillimetresa (seeTable1).b istheFlushness toleranceof thehead(seeTable1).Figure2FlushnessgaugeFigure1Hexagon socket countersunkhead screws(continued)e /2 = 90 92u null 2 Pd s l s,minD = d k,theor.,maxFBS EN ISO 10642:2004+A1:2012 ISO 10642:2004+A1:2012 (E)4 ISO4002All rithgserresvdeTable1Dimensi
41、onsDimensionsinmillimetresThread()M3M4M5M6M8M10M12(M14)gM16M20a0,50,70,811,251,51,75222,5bref.18202224283236404452max.3,34,45,56,68,5410,6213,515,517,522theor.max.6,728,9611,2013,4417,9222,4026,8830,833,6040,32actualmin.5,547,539,4311,3415,2419,2223,1226,5229,01max.3,004,005,006,008,0010,0012,0014,0
42、016,0020,00min.2,863,824,825,827,789,7811,7313,7315,7319,67c,dmin.2,3032,8733,4434,5835,7236,8639,14911,42911.42913,716max.1,862,483,13,724,966,27,448,48,810,16emax.0,250,250,30,350,40,40,450,50,60,75min.0,10,20,20,250,40,40,60,60,60,8dnom.22,534568101012max.2,082,583,084,0955,146,1408,17510,17510,1
43、7512,212min.2,022,523,024,0205,026,0208,02510,02510,02512,032min.1,11,51,92,233,64,34,54,85,6min.0,250,450,660,71,161,621,81,622,22,2fShanklengthandgriplengthnom.min.max.min.max.min.max.min.max.min.max.min.max.min.max.min.max.min.max.min.max.min.max.87,718,29109,7110,291211,6512,351615,6516,352019,5
44、820,422524,5825,423029,5830,429,5126,5103534,535,511,5159134039,540,516,520141811164544,545,5192316215049,550,52428212615,75225554,455,6263120,752715,523dP b da dk ds e k F r s t wllslglslglslglslglslglslglslglslglslglslglslgBS EN ISO 10642:2004+A1:2012 ISO 10642:2004+A1:2012 (E)35,4OSI1002:246)E(40
45、 ISO4002All rithgs reresvde 56059,460,6313625,753220,5286564,465,630,753725,53320,25297069,470,635,754230,53825,253420308079,480,645,755240,54835,2544304026369089,390,750,55845,25544050364610099,3100,760,56855,25645060465635,548ais thepitchofthe thread.bFor lengthsbetweenthebold steppedlines in the
46、unshadedarea.c.dCombinedgaugingof socketdimensions and, seeISO23429.eis theflushness of thehead,seeFigure2.Thegaugedimensionhasthe tolerance.fThe rangeofcommerciallengths is between theboldsteppedlines.Lengthsin the shadedareaare threaded to theheadwithin.Lengths below the shadedareahavevaluesofandi
47、naccordance with thefollowingformulae:gThe sizeinbracketsshouldbeavoidedifpossible.Table1Dimensions(continued)P emin=1,14sminesFF00,013Plglslg,max=lnombls,min=lg,max5PBS EN ISO 10642:2004+A1:2012 ISO 10642:2004+A1:2012 (E)6 ISO4002All rithgs reresvde4Requirementsand referenceInternationalStandardsSe
48、eTables2and 3.Table2Requirementsand referenceInternationalStandardsMaterial SteelGeneral requirements InternationalStandard ISO8992Thread Tolerance6gfor property classes8.8and10.9;5g6gfor property class12.9InternationalStandards ISO261,ISO965-2,ISO965-3Mechanicalproperties Property classa 8.8,10.9,1
49、2.9InternationalStandard ISO898-1Tolerances Product grade AInternationalStandard ISO4759-1FinishAs processed.Requirements for electroplatingarecoveredinISO4042.Requirements for non-electrolytically applied zinc flakecoatings arecoveredinISO10683.Surfacediscontinuities Limitsfor surface discontinuities are giveninISO6157-1andISO6157-3 for property class12.9.Acceptability Acceptanceprocedureis coveredinISO3269.a Becauseof their headconfigurations, these screws may not meet theminimum ultimate tensileloadfor prop
