1、InternationalStandardISO10513Thirdedition2025-06FastenersPrevailingtorquehexagonnutsHighnuts(allmetal),withfinepitchthreadFixationsEcroushexagonauxautofreinesEcroushauts(toutmetal),apasfinReferencenumberISO10513:2025(en)ISO2025COPYRIGHTPROTECTEDDOCUMENTISO2025Allrightsreserved.Unlessotherwisespecifi
2、ed,orrequiredinthecontextofitsimplementation,nopartofthispublicationmaybereproducedorutilizedotherwiseinanyformorbyanymeans,electronicormechanical,includingphotocopying,orpostingontheinternetoranintranet,withoutpriorwrittenpermission.PermissioncanberequestedfromeitherISOattheaddressbeloworISO,smembe
3、rbodyinthecountryoftherequester.ISOcopyrightofficeCP401Ch.deBlandonnet8CH-1214Vernier,GenevaPhone:+41227490111Email:copyrightiso.orgWebsite:www.iso.orgPublishedinSwitzerlandContentsPageForewordiv1 Scope12 Normativereferences13 Termsanddefinitions14 Dimensions25 RequirementsandreferenceInternationalS
4、tandards46 Markingandlabelling56.1 Markingonproduct56.2 Labellingonpackage57 Designation5Bibliography6ForewordISO(theInternationalOrganizationforStandardization)isaworldwidefederationofnationalstandardsbodies(ISOmemberbodies).TheworkofpreparingInternationalStandardsisnormallycarriedoutthroughISOtech
5、nicalcommittees.Eachmemberbodyinterestedinasubjectforwhichatechnicalcommitteehasbeenestablishedhastherighttoberepresentedonthatcommittee.Internationalorganizations,governmentalandnon-governmental,inliaisonwithISO,alsotakepartinthework.ISOcollaboratescloselywiththeInternationalElectrotechnicalCommiss
6、ion(IEC)onallmattersofelectrotechnicalstandardization.TheproceduresusedtodevelopthisdocumentandthoseintendedforitsfurthermaintenancearedescribedintheISO/IECDirectives,Part1.Inparticular,thedifferentapprovalcriterianeededforthedifferenttypesofISOdocumentshouldbenoted.Thisdocumentwasdraftedinaccordanc
7、ewiththeeditorialrulesoftheISO/IECDirectives,Part2(seeWWW.iso.org/directives).ISOdrawsattentiontothepossibilitythattheimplementationofthisdocumentmayinvolvetheuseof（八）patent(三).ISOtakesnopositionconcerningtheevidence,validityorapplicabilityofanyclaimedpatentrightsinrespectthereof.Asofthedateofpublic
8、ationofthisdocument,ISOhadnotreceivednoticeof（八）patent(三)whichmayberequiredtoimplementthisdocument.HoweverlImplementersarecautionedthatthismaynotrepresentthelatestinformation,whichmaybeobtainedfromthepatentdatabaseavailableatWWW.iso.org/patents.ISOshallnotbeheldresponsibleforidentifyinganyorallsuchp
9、atentrights.Anytradenameusedinthisdocumentisinformationgivenfortheconvenienceofusersanddoesnotconstituteanendorsement.Foranexplanationofthevoluntarynatureofstandards,themeaningofISOspecifictermsandexpressionsrelatedtoconformityassessment,aswellasinformationaboutISOsadherencetotheWorldTradeOrganizati
10、on(WTO)principlesintheTechnicalBarrierstoTrade(TBT),seeWWW.iso.org/iso/foreword.htmLThisdocumentwaspreparedbyTechnicalCommitteeISO/TC2,Fasteners,SubcommitteeSC12,Fastenerswithmetricinternalthread,incollaborationwiththeEuropeanCommitteeforStandardization(CEN)TechnicalCommitteeCEN/TC185,Fasteners,inac
11、cordancewiththeAgreementontechnicalcooperationbetweenISOandCEN(ViennaAgreement).Thisthirdeditioncancelsandreplacesthesecondedition(ISO10513:2012)whichhasbeentechnicallyrevised.Themainchangesareasfollows: thedesignprinciplesofthesenutshavebeenclarifiedinScope(seeNote); style,relevantpropertyclassesan
12、drelatedquenchingandtemperingconditionsforsteelnutshavebeenspecifiedinClaUSe5inaccordancewithISO898-2(seeTable3); stainlesssteelnutshavebeenaddedinaccordancewithISO3506-2; M202hasbeenadded,aswellasnon-preferredsizes18mm,22mm,27mm,33mmand39mm; da,maxhasbeenspecifiedwithtwodecimalplaces;一hmaxfrsize12m
13、mhasbeencorrectedto12,30mm(13,30mminthesecondeditioncamefromatypingegF);hmaxforsize24mm,hasbeenincreasedto24,00mminordertohavehDforthewholediameterrange; specificationsformarkingandlabellinghavebeenaddedasClause6.Anyfeedbackorquestionsonthisdocumentshouldbedirectedtotheusersnationalstandardsbody.Aco
14、mpletelistingofthesebodiescanbefoundatWWW.iso.org/membnrs.htmLFastenersPrevailingtorquehexagonnutsHighnuts(allmetal),withfinepitchthread1 ScopeThisdocumentspecifiesthecharacteristicsofprevailingtorque(allmetal)hexagonhighnuts,insteelandstainlesssteel,withmetricfinepitchthread8mmto39mm,andwithproduct
15、gradesAandB.NOTEThesenutsaredesignedwithanoverallheighthmin=A11min(asspecifiedinISO898-2andISO8674forstyle2)plustheprevailingtorquefeature,hmahasbeenestablishedinfunctionofhmin;therefore,thetolerance(max一，min)coesnotfollowtheISOcodesystemfortolerances(ITsystem).Thewrenchingheightmwmincorrespondstoth
16、evaluesspecifiedforstyle1.Ifincertaincasesotherspecificationsarerequested,propertyclassesandstainlesssteelgradescanbeselectedfromISO898-2orISO3506-2.2 NormativereferencesThefollowingdocumentsarereferredtointhetextinsuchawaythatsomeoralloftheircontentconstitutesrequirementsofthisdocument.Fordatedrefe
17、rences,onlytheeditioncitedapplies.Forundatedreferences,thelatesteditionofthereferenceddocument(includinganyamendments)applies.ISO225,FastenersBolts,screws,studsandnutsSymbolsanddescriptionsOfdimensionsISO898-2,FastenersMechanicalpropertiesOffastenersmadeofcarbonsteelandalloysteelPart2:Nutswithspecif
18、iedpropertyclassesISO965-1,ISOgeneralpurposemetricscrewthreadsTolerancesPart1:PrinciplesandbasicdataISO1891-4,FastenersVocabularyPart4:Control,inspection,delivery,acceptanceandqualityISO2320,FastenersPrevailingtorquesteelnutsFunctionalpropertiesISO3269,FastenersAcceptanceinspectionISO3506-2,Fastener
19、sMechanicalpropertiesofcorrosion-resistantstainlesssteelfastenersPart2:NutswithspecifiedgradesandpropertyclassesISO4042,FastenersElectroplatedcoatingsystemsISO4759-LTolerancesforfastenersPart1:Bolts,screws,studsandnutsProductgradesA,BandCISO6157-2,FastenersSurfacediscontinuitiesPart2:NutsISO8991,Des
20、ignationsystemforfastenersISO8992,FastenersGeneralrequirementsforbolts,screws,studsandnutsISO10683,FastenersNon-electrolyticallyappliedzincflakecoatingsystems3 TermsanddefinitionsNotermsanddefinitionsarelistedinthisdocument.ISOandIECmaintainterminologydatabasesforuseinstandardizationatthefollowingad
21、dresses: ISOOnlinebrowsingplatform:availableathttps:/www.iso.org/ObP IECElectropedia:availableathttps:WWW.electropedia.org/4DimensionsDimensionsshallbeinaccordancewithFigUre1andwithTableS1and2.SymbolsanddescriptionsofdimensionsarespecifiedinISO225.WaPrevailingtorquefeature:shapeatthediscretionofthem
22、anufacturerwithintheoutsidehexagonalshapeofthenut.bThesenutsaremanufacturedwithoutwasher-face,unlessspecificallyagreedatthetimeoftheorder.Figure1Prevailingtorque(allmetal)highnutsTable1Dimensionsfornuts8mmto16mm(productgradeA)DimensionsinmillimetresThread,DPaM8lM10l,25M12l,5(MI4l,5)M16l,5(MlOXl)(MI2
23、l,25)max.8,7510,8012,9615,1217,28min.8,0010,0012,0014,0016,00dwmin.11,6314,6316,6319,6422,49emin.14,3817f7720,0323,3626,75max.8,0010,0012,3014,1016,40/1min.7,148,9411,5713,4015,70mwmin.5,156,438,309,6811,28nom.=max.13,0016,0018,0021,0024,00Smin.12,7315,7317,7320,6723,67Sizesshowninbracketsarenon-pre
24、ferred.Pisthepitchofthethread.Table2Dimensionsfornuts18mmto39mm(productgradeB)DimensionsinmillimetresThread,DPa(M182M202(M222)M242(M272)M302(M332)M363(M393(Ml8l,5)(M20ll5)(M22l,5)max.19,4421,6023,7625,9229,1632,4035,6438,8842,12Uomin.18,0020,0022,0024,0027,0030,0033,0036,0039,00dwmin.24,8527,7031,35
25、33,2538,0042,7546,5551,1155,86emin.29,5632,9537,2939,5545,2050,8555,3760,7966,44max.18,0020,3022,0024,0027,0030,0033,0036,0039,00/1min.16,9019,0020,5022,6025,4027,3030,9033,1035,90mwmin.12,0813,5214,4816,1618,0019,4421,9223,5225,44nom.=max.27,0030,0034,0036,0041,0046,0050,0055,0060,00Smin.26,1629,16
26、33,0035,0040,0045,0049,0053,8058,80Sizesshowninbracketsarenon-preferred.aPisthepitchofthethread.5RequirementsandreferenceInternationalStandardsTherequirementsspecifiedintheInternationalStandardsreferencedinTabIe3shallapply.Table3RequirementsandreferenceInternationalStandardsMaterialSteelStainlessste
27、elGeneralre-InternationalquirementsStandard1U口W/Toleranceclass6HaThreadInternationalStandardISO965-1Style8mmD16mm8b,10S12c2Propertyclass16mm16mm:BTolerancesInternationalStandardISO4759-1ASprocessed(nocoating)cleanandbrightElectroplatedcoatingsasspecifiedand/orinISO4042n.7,fPassivatedrSurfaceconditio
28、nNon-electrolyticallyappliedzinc,/flakecoatingsasspecifiedinISOanr10683Lubricated(LU)Otherfinishes,coatingsand/oradditionalrequirementsshallbeagreedbetweenthepurchaserandthesupplierSurfaceintegrityLimitsforsurfacediscontinuitiesasajfspecifiedinISO6157-2ASagreedgAcceptabilityAcceptanceinspectionasspe
29、cifiedinISO3269aThethreadtoleranceclass6Gmaybespecifiedforthenutstobecoatedinaccordancewiththerelevantcoatingstandard(tolerancesotherthan6Hor6Garenotapplicableduetothespecifiedfunctionalpropertiestobeachieved).bMaybequenchedandtemperedatthemanufacturersdiscretion,inaccordancewithISO898-2(NQTorQTnuts
30、).cShallbequenchedandtemperedinaccordancewithISO898-2(QTnuts).dThemostcommonstainlesssteelgradesareA2andA4;however,dependingontheapplication,itcanbenecessarytoselectothergradesinISO3506-2suitablefortheservicecorrosiveenvironment.SeealsoISO3506-6fortheselectionofsuitablestainlesssteelgrades.eToday,no
31、InternationalStandardexistsforprevailingtorquetestmethodandfunctionalpropertiesofstainlesssteelnuts;nationalstandardsorothertechnicalspecifications,NFE25-035-2,shouldbeconsultedandagreementshouldbereachedbetweenthepurchaserandthemanufacturerbeforetheorder.fSeee.g.ISO16048.5 Seee.g.ISO6157-2.6 Markin
32、gandlabelling6.1 MarkingonproductMarkingshallbe: forsteelnuts,asspecifiedinISO898-2,and forstainlesssteelnuts,asspecifiedinISO3506-2.6.2 LabellingonpackageLabellingonthepackageshallbeinaccordancewithISO898-2orISO3506-2,andshallincludeatleast: thereferencetothisdocument,i.e.ISO10513, thethreadsizeand
33、finepitchDP, thepropertyclassforsteelnuts, thegradeandpropertyclassforstainlesssteelnutsl thetypeofsurfacecondition(finishand/orcoating), themanufacturersand/ordistributorsidentificationand/orname, themanufacturinglotnumberasspecifiedinISO1891-4,and thequantityofpiecesinthepackage.7 DesignationThede
34、signationrequirementsasspecifiedinISO8991shallapplywith thepropertyclassforsteelnuts,asspecifiedinISO898-2,and thegradeandpropertyclassforstainlesssteelnuts,asspecifiedinISO3506-2.Whennospecificsurfacecondition(finishand/orcoating)isspecifiedinthedesignation,steelnutsaredeliveredintheasprocessedcond
35、itionandstainlesssteelnutsinthecleanandbrightcondition.EXAMPLE 1 Aprevailingtorque(allmetalhexagonhighnutinaccordancewiththisdocument,withthreadsize12mmandfinepitchP=1,5mm(productgradeA),insteelandpropertyclass10,asprocessed,isdesignatedasfollows:PrevailingtorquehexagonhighnutISO10513-M12l,5-10EXAMP
36、LE 2 Aprevailingtorque(allmetalhexagonhighnutinaccordancewiththisdocument,withthreadsize20mmandfinepitchP-2mm(productgradeB),instainlesssteelofgradeA2andpropertyclass70,lubricated(Lu),isdesignatedasfollows:PrevailingtorquehexagonhighnutISO10513-M202-A2-70-LuBibliography1 ISO3506-6,FastenersMechanica
37、lpropertiesofcorrosion-resistantstainlesssteelfastenersPart6:GeneralrulesfortheselectionOfstainIesssteelsandnickelalloysforfasteners2 ISO8674,FastenersHexagonhighnuts(style2),withfinepitchthread3 ISO16048,Passivationofcorrosion-resistantstainless-steelfasteners4 NFE25-035-2,BoltedjointsPart2:PrevailingtorquestainlesssteelnutsFunctionalproperties,testmethodsfortorque/clampforce,prevailingtorquesandproofloadISOICS21.060.20Pricebasedon6pagesiso.org
