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1、EuropeanstandardNormeeuropeenneEuropaischenormICS21.060.20ENISO7719June2025SupersedesENISO7719:2012,ENISO7719:2012/AC:2013EnglishVersionFasteners-Prevailingtorquehexagonnuts-RegularnutsallmetalISO7719:2025Fixations-Ecroushexagonauxautofreines-Ecrousnormaux(toutmetal)(ISO7719:2025)Verbindungselemente
2、-SechskantmutternmitKlemmteil-NormalhoheMuttern(Ganzmetallmuttern)(ISO7719:2025)ThisEuropeanStandardwasapprovedbyCENon16June2025.CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEuropeanStandardthestatusofanationalstandardwithoutanyalteration.Up-
3、to-datelistsandbibliographicalreferencesconcerningsuchnationalstandardsmaybeobtainedonapplicationtotheCEN-CENELECManagementCentreortoanyCENmember.ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).AversioninanyotherlanguagemadebytranslationundertheresponsibilityofaCENmemberinto
4、itsownlanguageandnotifiedtotheCEN-CENELECManagementCentrehasthesamestatusastheofficialversions.CENmembersarethenationalstandardsbodiesofAustria,Belgium,Bulgaria,Croatia,Cyprus,CzechRepublic,Denmark,Estonia,Finland,France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Latvia,Lithuania,Luxembourg,Malta,
5、Netherlands,Norway,Poland,Portugal,RepublicofNorthMacedonia,Romania,Serbia,Slovakia,Slovenia,Spain,Sweden,Switzerland,TiirkiyeandUnitedKingdom.要EUROPEANCOMMITTEEFORSTANDARDIZATIONCOMITEEUROPEENDENORMALISATIONEuropaischeskomiteefurnormungCEN-CENELECManagementCentre:RuedelaScience23,B-1040Brussels2025
6、CENAllrightsofexploitationinanyformandbyanymeansreservedRef.No.ENISO7719:2025EworldwideforCENnationalMembers.ContentsPageEuropeanforeword3EuropeanforewordThisdocument(ENISO7719:2025)hasbeenpreparedbyTechnicalCommitteeISO/TC2FastenersincollaborationwithTechnicalCommitteeCEN/TC185Fasteners“thesecretar
7、iatofwhichisheldbyBSLThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextorbyendorsement,atthelatestbyDecember2025,andconflictingnationalstandardsshallbewithdrawnatthelatestbyDecember2025.Attentionisdrawntothepossibilitythatsomeoftheelementsofthisdocument
8、maybethesubjectofpatentrights.CENshallnotbeheldresponsibleforidentifyinganyorallsuchpatentrights.ThisdocumentsupersedesENISO7719:2012,ENISO7719:2012/AC:2013.Anyfeedbackandquestionsonthisdocumentshouldbedirectedtotheusersnationalstandardsbody/nationalcommittee.Acompletelistingofthesebodiescanbefoundo
9、ntheCENwebsite.AccordingtotheCEN-CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowingcountriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,Bulgaria,Croatia,Cyprus,CzechRepublic,Denmark,Estonia,Finland,France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Latvia,Lithuan
10、ia,Luxembourg,Malta,Netherlands,Norway,Poland,Portugal,RepublicofNorthMacedonia,Romania,Serbia,Slovakia,Slovenia,Spain,Sweden,Switzerland,TiirkiyeandtheUnitedKingdom.EndorsementnoticeThetextofISO7719:2025hasbeenapprovedbyCENasENISO7719:2025withoutanymodification.ISOInternationalStandardISO7719Fourth
11、edition2025-06ISO2025FastenersPrevailingtorquehexagonnutsRegularnuts(allmetal)FixationsEcroushexagonauxautofreinesEcrousnormaux(toutmetal)ReferencenumberISO7719:2025(en)COPYRIGHTPROTECTEDDOCUMENTISO2025Allrightsreserved.Unlessotherwisespecified,orrequiredinthecontextofitsimplementation,nopartofthisp
12、ublicationmaybereproducedorutilizedotherwiseinanyformorbyanymeans,electronicormechanical,includingphotocopying,orpostingontheinternetoranintranet,withoutpriorwrittenpermission.PermissioncanberequestedfromeitherISOattheaddressbeloworISO,smemberbodyinthecountryoftherequester.ISOcopyrightofficeCP401Ch.
13、deBlandonnet8CH-1214Vernier,GenevaPhone:+41227490111Email:copyrightiso.orgWebsite:www.iso.orgPublishedinSwitzerlandContentsPageForewordiv1 Scope12 Normativereferences13 Termsanddefinitions14 Dimensions25 RequirementsandreferenceInternationalStandards46 Markingandlabelling56.1 Markingonproduct56.2 La
14、bellingonpackage57 Designation5Bibliography6ForewordISO(theInternationalOrganizationforStandardization)isaworldwidefederationofnationalstandardsbodies(ISOmemberbodies).TheworkofpreparingInternationalStandardsisnormallycarriedoutthroughISOtechnicalcommittees.Eachmemberbodyinterestedinasubjectforwhich
15、atechnicalcommitteehasbeenestablishedhastherighttoberepresentedonthatcommittee.Internationalorganizations,governmentalandnon-governmental,inliaisonwithISO,alsotakepartinthework.ISOcollaboratescloselywiththeInternationalElectrotechnicalCommission(IEC)onallmattersofelectrotechnicalstandardization.Thep
16、roceduresusedtodevelopthisdocumentandthoseintendedforitsfurthermaintenancearedescribedintheISO/IECDirectives,Part1.Inparticular,thedifferentapprovalcriterianeededforthedifferenttypesofISOdocumentshouldbenoted.ThisdocumentwasdraftedinaccordancewiththeeditorialrulesoftheISO/IECDirectives,Part2(seeWWW.iso.
