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1、ISOINTERNATIONA1.965-21998-12-15-140AMENDMENT1.ISOgenera1.purposemetricscrewthreadsTo1.erances一1.imitsofsizesforgenera1.purposeexterna1.andinterna1.screwthreads一Mediumqua1.ityFi1.etagesm6triquesISOpourusagesgnerauxTo1.erancesPanic2:DimensionsIimitespourfi1.etagesinterieursetexterieursd,usagesgenerau
2、xQua1.itemoyenneAMENDEMENT1.ISO965-2:1.998/Amd.1:2021.(E)ISO2021STANDARDThirdedition2021-07Part2:AMENDMENT1ReferencenumberCOPYRIGHTPROTECTEDDOCUMENTISO2021岫rkdttcetht1.ijfacdOthcnviscspfti1.tcorr0mehD!UicttB1.mti!3Uatioi(nphf1.otocpyM)g.pnWjcationpstingontheinternetoranintranet,withoutpriorwrittenpe
3、rmission.PermissioncanbereuejstedfromeitherISOattheaddressbe1.owOr1.sOXSmemberbodyinthecountryoftherequester.%,tft晒Iandonnet8CH-1214*crnicr,GenevaPhone：M1.22749O1.11Pub1.ishedinSwitzerhndForewordISO(theInternationa1.OrganizationforStandardization)isawor1.dwidefederationofnationa1.standardsWuchugh(IS
4、Otnrhniroibrni)thf(kWf1.phngbody1.nhioi6taHt)dfifmorah11varrtiechDmitteehasbeenestab1.ishedhastherighttoberepresentedonthatcommittee.Internationa1.organizations,governmenta1.andnongovernmenta1.,in1.iaisonwithISO,a1.sotakepartinthework.ISOco1.1.aboratesc1.ose1.ywiththee1.ectrotechnica1.standardizatio
5、n.Internationa1.E1.ectrotechnica1.Commission(IEC)ona1.1.mattersofTheproceduresusedtodeve1.opthisdocumentandthoseintendedforitsfurthermaintenanceareg殿F睽CiMteoSOIECteM槌必恤硼眯蜘“般蟠$临酢%COrdanCe朗Fhtheeditoria1.ru1.esoftheSOIECDirectives,Part2(seewww.iso.org/directivcs).usedinthisAnytradeRMionnghts.dten捣撼啊越咫
6、ns虑幅做瞰Rt砌孤翎由docD瞰曲朝银国subjectofanypatentrightsidentifiedduringthedeve1.opment，*Iha4kguMUbeintheIntroductionand/orontheISO1.istofpatentdec1.arationsreceived(secwww.iso.org/patents).constitutenameendorsement,domentisinformationgivenfortheconvenienceofusersanddoesnotForanexp1.anationofthevo1.untarynatur
7、eofstandards,themeaningofISOspecifictermsandThisdocumentwaspreparedbyTechnica1.CommitteeISO/TC1,Screwthreads.A1.istofa1.1.partsintheISO965seriescanbefoundontheISOwebsite.&琳限嫉由standardsbody.AISOgenera1.purposemetricscrewthreadsTo1.erances一D1.强Ofsizesforgenera1.purposeexterna1.andinterna1.screwthreads
8、Mediumqua1.ityAmendmentiNormativereferencesChangea1.1.thereferencestobeundated.MoveISO68-1andISO262intotheBib1.iography.Updatethetit1.eofISO5408tothefo1.1.ovring:ISO5408,ScrewthreadsVocabu1.aryfC1.ause5,firstparagraphRep1.acebasicprofi1.e4*Withbasicprofi1.eandfundamenta1.deviation.5.2and5.4Addthefo1
9、.1.owingNOTE,beforeTab1.es2and4,respective1.y.m11rna1.Strstheexterna1.screwthreadminordiameters,(b,usedbyISO/TC2toca1.cu1.atetheAnnexAAddthefo1.1.owingannex,beforetheBib1.iography.AnnexA(informative)Externa1.screwthreadminordiameters,d3,usedbyISO/TC2fortheca1.cu1.ationofnomina1.stressarea,s,nomA.1.E
10、xterna1.screwthreadminordiameters,d3Theexterna1.screwthreadminordiameters,d31.usedbyISO/TC2fortheca1.cu1.ationofnomina1.stressarea,knom,aregiveninTab1.eA.1.Theexte11a1.screwthreadminordiameters,d31.areca1.cu1.atedaccordingd3=d-H6es=d-25H8-H6es(A.1)Tab1.eA.1.Externa1.screwthreadminordiameters,di,used
11、byISO/TC2fortheca1.cu1.ationofnomina1.stressarea,4.)mNomina1.diameterdPitchPes%5醍谶限陷他陶Fminordiameters,d.forstressca1.cu1.ation142-381.1.S08161.5-3214,128Tab1.e.1.(continued)Nomina1.diameterdPitchPesExterna!screwthreadminordiameters,dforstressca1.cu1.ation644-6059,033646-8056559ICS21.040.10Pricebasedon3pages
