1、INTERNATIONA1.STANDARDISO965-4editionSecond2021-07ISOgenera1.purposemetricscrewthreadsTo1.erances一D曲i舱ofsizesforhot-dipga1.vanizedexterna1.screwthreadstomatewithinterna1.screwthreadstappedwithto1.erancepositionHorGafterga1.vanizingFi1.etagesmetriquesISOpourUsagesgenerauxTo1.erancesPartie4:Dimensions
2、Iimitespourfi1.etagesexterieursga1.vanisesachaudpourassemb1.agesavecdesfi1.etagesEMrieUrSdepositiondeto1.eranceHouGapresga1.vanisationCOPYRIGHTPROTECTEDDOCUMENTISO2021岫rkdea/山thUcdOthcnviscjftc三orrtmcehDVBiwixuioiti08phnn11UatiocBhrhotocp)Mng,ptbcatonpostingontheinternetoranintranet,withoutpriorwrit
3、tenpermission.PermissioncanherequestedfromeitherISOattheaddressbe1.owOr1.sOXSmemberbodyinthecountryoftherequester.%,tft晒Iandonnet8CH-1214*crnicr,GenevaPhone：M1.22749O1.11帆禅igjWft.orgPub1.ishedinSwitzerhndContentsPageforewordiv2 Scope13 Normativereferences14 Termsanddefinitions15 Genera1.16 Designati
4、on27 1.imitdeviations21.imitsofsizes-Externa1.screwthreads-Coarsethreadseries.一.一.一.-2AnnexAHnformative)Externa1.screwthreadminordiameters,da,usedbyISO/TC2fortheca1.cu1.ationofnomina1.stressarea,sznoRj)tS(voEkWMpbrmgbody1.nttrawedaft6tartd)ttf(nowhR1.hrcart)ed)nmitteehasbeenestab1.ishedhastherightto
5、berepresentedonthatcommittee.Internationa1.organizations,governmenta1.andnon-governmenta1.,in1.iaisonwithISO.a1.sotakepartinthework.ISOco1.1.aboratesc1.ose1.ywiththee1.ectrotechnica1.standardization.Internationa1.E1.ectrotechnica1.Commission(IEC)ona1.1.mattersofTheproceduresusedtodeve1.opthisdocumen
6、tandthoseintendedforitsfurthermaintenanceareg取轩出匐B搬。於0/正，需幺即3%稔翩theeditoria1.ru1.esoftheISO/IECDirectives.Part2(seewww.iso.org/direc1.ives).MionrigbtS.丽n施腻Mf瞰nsi雅腓用R的战利都fdoc端X用融银jfe.subjectofanypatentrightsidentifiedduringthedeve1.opmerUM4owU-w4JbeintheIntroductionand/orontheISO1.istofpatentdec1.ara
7、tionsreceived(seewww.iso.org/pa1.ents).Anytradeusedinthisconstitutenameendorsement,documentisinformationgivenfortheconvenienceofusersanddoesnotForanexp1.anationofthevo1.untarynatureofstandards,themeaningofISOspecifictermsand碑版陶曲嬲fi%tioncon(温P奥央融Mthe可般IIi潴称小牖ticn浊器d淮IS1.华哂瞬聊硼isoforeword.htn1.Thisdocu
8、mentwaspreparedbyTechnica1.CommitteeISO/TC1,Screwthreads.Thissecondeditioncance1.sandrep1.acesthefirstedition(ISO9654:1998),whichhasbeentechnica1.1.yrevised.Themainchangescomparedtothepreviouseditionareasfo1.1.ows: inC1.ause1,thethirdparagraph,inc1.udingtheformu1.aforthefundamenta1.deviationaz.hasbe
9、ende1.eted; inTab1.e1.,thedeviationva1.uesfortheminordiameterofexterna1.threads,stessca1.cu1.ation,havebeende1.eted,andM8isadded; thephrasebasicprofi1.es*hasbeenrep1.acedby*basicprofi1.eandfundamenta1.deviation*(fourthparagraphofC1.ause6inISO965-4:1998;fifthparagraphofC1.ause7inISO965-4:2021); bWnTa
10、b1.ed1.ftcdpWmYWkfed.fortheminordiameterofexterna1.threads,stressca1.cu1.ation,have aninformativeannexisaddedfortheexterna1.screwthreadminordiameter,d31.usedbyISO/TC2toca1.cu1.atethenomina1.stressarea,knom.A1.istofa1.1.partsintheISO965seriescanbefoundontheISOwebsite.用为舞曲!电罐瞪sHUU心thiscab8(HR4R触些Ww4fe
11、eHbe3W8nationa1.standardsbody.AISOgenera1.purposemetricscrewthreadsTo1.erances一1.imitsofsizesforhot-dipga1.vanizedexterna1.screwthreadstomatewithinterna1.screwthreadstappedwithto1.erancepositionHorGafterga1.vanizing1Scopedipga1.Vanizedhavingaexterna1.accordingtoconformingtothecoarsethreadseriesofISO
12、262(frominterna1.Normativereferencesithto1.erancepositionHorGafterga1.vanizing.constitutesrequirementsaredocument.Fordatedinreferences,on1.ySomeeditiona1.1.citedapp1.iescontentISO965-1,ISOgenera1.purposemetricscrewthreads-To1.erances-Part1:Princip1.esandbasicdatascrewthreadstomatewithhot-dipga1.vani
13、zedexterna1.screwthreadswithmaximumsizeofto1.erancepositionhbeforega1.vanizing3TermsanddefinitionsISOandIECmaintaintermino1.ogica1.databasesforUSeinStandardiZatiOnatthefo1.1.owingaddresses：E1.ectropedia:avai1.ab1.eathttp/WWW.e1.e11pedia.erg/centrifugedga1.vanizationtheexterna1.threadedproductswithth
14、eto1.erancec1.ass6azsha1.1.betensi1.e1.oadsthanthefu1.1.1.oadabi1.ityspecifiedinISO898-1duetoreductionofthestressarea.i1.1.,rcnfcever，、ri*ikf7rfhrc1.Part4:Thisdocumentspecifies1.imitdeviationsand1.imitsofsizesforthepitchandcrestdiametersofthehot-M8toM64)metricbasicprofi1.escrewthreadsISO68-1.Thisdoc
15、umentisapp1.icab1.etothehot-dipga1.vanizedmetricexterna1.screwthreadstomatewiththe2screwthreadstappedThefo1.1.owingdomentsofthisreferredinthetextsuchawaythattheoroftheirForundatedreferences,the1.atesteditionofthereferenceddoment(inc1.udinganyamendments)app1.ies.ISO9655,ISOgenera1.purposemetricscrewt
16、hreads-To1.erances-Part5:1.imitsofsizesforinterna1.ISO5408,SereWthreadsVocabu1.aryForthepurposesofthisdocument,thetermsanddefinitionsgiveninISO5408app1.y.ISOOn1.inebrowsingp1.atform:avai1.ab1.eathttps:/www.iso.org/obp4 IECGeneraIAfterthehot-dipimmediate1.y.Productsmadewiththreadto1.erancesinaccordan
17、ceWiththisdocumentmayshow1.oweru1.timateExterna1.screwthreadswiththreadto1.erancesaccordingtothisdocumentsha1.1.notbematedwithinterna1.screwthreadswiththreadto1.erancesinaccordancewithISO965-5becausesuchcombinations5 DesignationThecomp1.etedesignationofmetricscrewthreadssha1.1.bedoneaccordingtoISO96
18、5-1.Theto1.erancec1.assdesignationforexterna1.screwthreads,ISO965-4,is6az.EXAMP1.EM12-6az6 1.imitdeviationsThe1.imitdeviationsforexterna1.screwthreadsarespecifiedinTab1.e1.TheyarederivedfromFormu1.aforfundamenta1.deviationsandfromto1.erancesspecifiedinISO965-1.ThefundamHg1.(cjtion.es?,isca1.cu1.ated
19、accordingtoFormu1.a(1):(1)where俨Xisthefundamenta1.deviation,expressedinmicrometres；isthepitch,expressedinmi1.1.imetres.Tab1.e11.imitdeviationsThreadPitchPExterna1.threadto1.erancec1.ass6az-970PitchdiametereseiMa1.ordiametereseiM56,M605.5-4106-5-410MM6-420-700-420-102071.imitsofsizes-Externa1.screwth
20、reads-CoarsethreadseriesTo1.erancequa1.ity:mediumThreadengagementgroup：norma1.To1.erancec1.ass:6azThe1.imitsofsizesforexterna1.screwthreadsarcspecifiedinTab1.e2.Theactua1.rootcontoursha1.1.notatanypointtransgressthebasicprofi1.eandfundamenta1.deviation.,蛔WtUdtiIObtinie1.dSShaI1.thCnOttain卬nc?可即pahfo
21、naInin1.iirgd1.Uantaftp-Afterto1.erancepositionhandareintendedtomatewithinterna1.SCreWthreadsofto1.erancepositionI1.orGon1.y.ffifia1.strbAfiftfexsA-fetheexterna1.screwthreadminordiameter,d3,usedbyISO/TC2toca1.cu1.atetheTab1.e2Externa1.thread1.imitsofsizesforto1.erancec1.ass6azThread1.engthofthreaden
22、gagementMajordiameterPitchdiameterI1.Y或叫盘厚P0.125M6028855959059.03056,01855r7530,688M6432956358062.98059,68359,4030.750AnnexA(informative)Externa1.screwthreadminordiameters,d3,usedbyISO/TC2fortheca1.cu1.ationofnomina1.stressarea,s,nomA.1.Externa1.screwthreadminordiameters,d3Theexterna1.screwthreadmin
23、ordiameters,d31.usedbyISO/TC2fortheca1.cu1.ationofnomina1.stressarea,knom,aregiveninTab1.eA.1.Theexte11a1.screwthreadminordiameters,d31.areca1.cu1.atedaccordingd3=d-H6esaz=d-25H8-H6esaz(AJ)Tab1.eA.1.Externa1.screwthreadminordiameters,di,usedbyISO/TC2fortheca1.cu1.ationofnomina1.stressarea,j4s.11omNo
24、mina1.diameterdPitchPesaiDimensionsinmi11imetresExterna1.screwthreadminordiameters,(/.for605,541052,84264642056,219i213Bib1.iographyISO68-1,ISOgenera1.purposescrewthreadsBasicprofi1.ePart1：MetricscrewthreadsISO262rISOgenera1.purposemetricscrewthreadsSe1.ectedSizesforscrews,bo1.tsandnuts陶脯g兜翻湘呢神乐御幽游M瞬而隋麻的牙磕战佻嬲也即ed-Part1:Ho1.ts,
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