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1、JISJAPANESEINDUSTRIA1.STANDARDTrans1.atedandPub1.ishedbyJapaneseStandardsAssiatnJISB1124-(JFRI/JSA)Dri1.1.ingscrewswithtappingscrewthreadICS21.060.10Refeenconumber:JISB1124:2021(E)DateofEstab1.ishment：20030420DateofRevision：2021-1220DateofPub1.icNoticeinOfficia1.Gazette-2021-12-20Investigatedby：Japa
2、neseIndustria1.StandardsCommitteeStandardsBoardforISOareaJ1.SB1124:2O2bFirstEng1.isheditionpub1.ishedin202207Trans1.atedandpub1.ishedby:JapaneseStandardsAssociationMiUMTBUiIdi呷3-13-12,MMMinawkU,Tokyo,108-0073JAPAX!ntheCVentofanydoubtsarisingastothecontents,theorigina1.J1.Sistobethefina1.authority.JS
3、A2022A1.1.righMrv*rvM.1.nkMonnuybereproducedaru1.UUedinanyfmorbyany11vjm,e1.ectronsormecahanka1.Indud1.ngphotopyingandmk*rofi1.m,withoutPCrmiX1.CtonmwritingfromthrpubUchc.HNPrintedInRpanDri1.1.ingscrewswithtappingscrewthreadIntroductionThisJapaneseIndustria1.StandardhasbeenpreparedbasedonISO16481：19
4、99.Edition1,ISO15482:1999,Edition1andISO154S3:1999,Edition1,andISO15480:2019.Edition2byintegratingthemintoonestandardwithoutmodifyingthetechnica1.contentsforcorrespondingparts(ProfHeS/dimensions,productspecificationsandproductdesignations).AnnexJinthisStandardisaddedtoprovidetherequirementsthatcorre
5、spondtomanufacturing/usagooftheproductsinJapan,whicharenotgiveninthecorrespondingInternationa1.Standards.Thevertica1.1.inesonbothsidesanddottedunder1.inesindicateadditionstothecorrespondingInternationa1.Standards.A1.istofmodificationswiththeexp1.anationsisgiveninAnnexJB.1 ScopeThisStandardspecifiest
6、hecharacteristicsofdri1.1.ingscrewswithtappingscrewthreads,madeofstee1.,withthreadsizesST2.9toST6.3.Iia1.so8pocin8thecharacteristicsOfsomGdri1.IinghavingPrOfiIe,sizeand/Ormat会ria1.n.M.黄牌攵访.e.din.the.c。IesmndingJnMeJrnAtiona1.8tndard也NOTETheInternationa1.StandardscorrespondingtothisStandardandthesymb
7、o1.ofdecreeofcorrespondenceareasfo1.1.ows.ISO15480:2019FastenersHexagonwasherheaddri1.1.ingscrewswithtappingscrewthreadISO15481：1999Crossrecessedpanheaddri1.1.ingscrewswithtappingscrewthreadISO154821999Crossrecessedcountersunkheaddri1.1.ingscrewswithtappingscrewthreadISO15483:1999CrOSSrecessedraised
8、countersunkheaddri1.1.ingscrewswithtappingscrewthread(Overai1.eva1.uation:MOD)Inaddition,symbo1.swhichdenotethedegreeofcorrespondenceinthecontentsbetweenthere1.evantInternationa1.StandardsandJISareIDTGdenticaD.MOD(modified),andNEQ(notequiva1.ent)accordingtoISO/IECGuide21-1.2 NormativereferencesParto
9、ra1.1.oftheprovisionsofthefo1.1.owingstandards,throughreferenceinthistext,constituteprovisionsofthisStandard.Themostrecenteditionsofthestandards(inc1.udingamendments)indicatedbe1.owsha1.1.beapp1.ied.JISB0101ScrewthreadsandfastenersVocabu1.ary2JISB0143FastenersBo1.ts,screws,studsandnutsSymbo1.sanddes
10、criptionsofdimensionsNOTENormativereferenceinthecorrespondingInternationa1.Standard:ISO225Fasteners-Bo1.tsfscrews,studsandnutsSymbo1.sanddescripttionsofdimensionsJISB1007TappingscrewsthreadNOTENormativereferenceinthecorrespondingInternationa1.Standard:ISO1478TappingscrewsthreadJ1.SBIQ1.QDeAignatiOn由
11、tc中SrfAftenCWJ1.SB1012CrossrecessesforSCreWsNOTENormativereferenceinthecorrespondingInternationa1.Standard:ISO4757CrossrecessesbrscrewsJ1.SB1013Countersunkheadscrews-HeadnfigurationandgaugingNOTENormativereferenceinthecorrespondingInternationa1.Standard:ISO7721CountersunkheadscrewsHeadconfigurationa
12、ndgaugingJISB1021To1.erancesforfastenersPart1:Bo1.ts,screws,studsandnutsProductgradesBandCNOTENormativereferenceinthecorrespondingInternationa1.Standard:ISO47591To1.erancesforfastenersPart1:Iio1.tstscrews.StUdSandnutsProductgradesA,BandCJISB1044FastenersE1.ectrop1.atedcoatingsNOTENormativereferencei
13、nthecorrespondingInternationa1.Standard:ISO4042Fasteners-E1.ectrop1.atedcoatingsJISB1045Fasteners_Pre】OadinWtestrthedetectionOfhydrogenembritt1.e-mentPara1.1.e1.bearingsurfacemethodJ1.SB1046FastenersNone1.ectro1.ytica1.1.app1.iedZinCf1.akecoatingSyStemSJISB1059Dri1.1.ingscrewswithtappingscrewthread-
14、Mechanica1.andfunctiona1.propertiesNOTENormativereferenceinthecorrespondingInternationa1.Standard:ISO10666Dri1.1.ingscrewswithtappingscrewthreadMechanica1.andfunctiona1.propertiesJISIi1071FastenersMethodsofverifiertionforSiZeandgeometryJ1.SB1091FastenersAcceptanceinspectionNOTENormativereferenceinth
15、ecorrespondingInternationa1.Standard:ISO3269Fasteners-AcceptanceinspectionJISB1099FastenersGenera1.requirementsforbo1.ts,screwsstudsandnutsNOTENormativereferenceinthecorrespondingInternationa1.Standard:ISO8992EastenersGenera1.requirementsforbo1.ts,screws,studsandnutsJISG1315StainIe於stee1.wiresforco1
16、.dheadingandco1.dforging3 TermsanddefinitionsFOrthePUrPoTeOfthiaStandard.thetermsanddefinition*giveninJISBO1.O1.app1.y-4 C1.assificationThedri1.1.ingscrewsarec1.asicdasgiveninTab1.e1.Tab1.e1C1.assificationofdri1.1.ingscrewsIyPCr1111adXiZeCorrespondingInUkrnationa1.StandardGnformative)Hoxagonwasherhe
17、addri1.1.ingscrewST2.9toST6.3ISO15480Crossrecessedpanheaddri1.1.ingscrewISO15481CrossrecessedCoUntOrBUnkheaddri1.1.ingSCreWISO15482Crossrocessodraisedcountersunkheaddri1.1.ingscrewISO15483RefertoAnnexJfortheSPeCifiCationSofcrossrecessedtrumpetheaddri1.1.ingscrews,anddri11ingscrewsofthreadsizes5and6.
18、5 Profi1.esZdimenBions,productspecificationsanddesignationsofproductsThePrOfiIeadimenSionSandproductspecificationsofdri1.1.ingscrewsareasgiveninTab1.e2.ThedesignationsofproductsareinaccordancewithJISB1010.Examp1.esofdesignationsofproductsarcshowninrespectivetab1.esindicatedinTab1.e2.Tab1.e2Profi1.es
19、/dimensions,productspecificationsanddesignationsofproductsofdri1.1.ingscrewsTyPePrQGkydimRnSiQnProductsperic*ationDesignationofproduct(Examp1.e)Hexagonwasherheaddri1.1.ingywFigureIandTiib1.e3Tab1.e4Tiib1.e5Cro*reccedpanheaddri1.1.ing*crwFigUrv2andz11b1.c6Tab1.e7Tab1.e8CroMrcfrom0.70.71.751.761.762.0
20、to1.92.263.04.46.266.0Nomina1.1.enHh/min.max.3min.9.68.751026262.86Screwewithtooshort1.ength.1312.1.13.9666.24.33.71615.116.99.69.27.36.85.01918.020.012512.)10.38.78.07.02221.023.015.113.311.711.010.02524.026.01.&1.16.314.714.013.03230.7533.2623.021.521.020.03836.7539.261.engthStobeagreedbetweenthep
21、urchaserand1.hemanufacturer.29.027.527.026.04543.7546.2634.534.033.05048.7551.2539.639.038.0NotePisthepitchofthethreadNote3febthewrenchingheight.Noiod=5mmforhexagonheadtuppingIiCTv。X(JISB1123)1.and4mmhrhxatonwuh(rheadtuppingmw(JISBU2G).InIhMStandard,=4mmha1.1.app1.y.Note*1inorrtodeterminethenomina1.
22、1.ength/neededfortheapp1.ication,itcanbencGRarytoaddanairgap(ifpresent)totheindividua1.ahmorp1.atethicknea&NIhemajordiameierCfIhethread.JA4Materia1.sandheattreatmentThemateria1.sandheattreatmentofdri1.1.ingscrewssha1.1.beasfo1.1.ows.a) Themateria1.sofstee1.dri1.1.ingscrewssha1.1.becasehardeningstee1
23、.sorheattreatab1.estee1.s,theheattreatedproductsofwhichsha1.1.satisfytherequirementsofJA6andJA6.b) Themateria1.sofstain1.essstee1.dri1.1.ingscrewssha1.1.beSUS410specifiedinJISQ431oramateria1.equiva1.entthereto,theheattreatedproductsofwhichsha1.1.satisfytherequirementsofJA.5andJA.6.JA.6Meta1.1.urgica
24、1.propertiesJA.5.1HardnessThesurfacehardnessandcorehardnessofdri1.1.ingscrews,whentestedinaccordancewithJA8.2.1sha1.1.conformtotherequirementsspecifiedinTab1.eJA.9.Tab1.eJA.9Hardneeeofdri1.1.ingscrewsThreadsizeStco1.dri1.1.ingscrewStain1.essstoo1.dri1.1.ingscrewSurfacehardnessCorehardnessSurfacehard
25、nessCorehrdncMST3.5,STI2530HV0.3orover320HV5to400HV5530HV0.3orover240HVmin.ST4.8,ST5.5,ST6.35.6320HV1.O400HV1.O240HV1.Omin.JA.6.2CasedepthThecasedepthofstee1.dri1.1.ingscrews,whentestedinaccordancewiththemethodspecifiedinJA.8.2.2.Hha1.1.conformtotherequirementsinTab1.eJA.10.Thecasedepthofstain1.esss
26、tee1.dri1.1.ingscrewsisnotspecified.Tab1.eJA.10Casedepthofstee1.dri1.1.ingscrewsThreadsizeCasedepthmmmin.max.ST3.50.060.18ST4.2.ST4.8.STS.5.50.100.23ST6.3.60.1028JA.5.3MicroatructureThemicrostructureofstee1.dri1.1.ingscrews,whentestedinaccordancewithJA8.2.3,sha1.1.shownobandoffreeferritebetweentheca
27、seandcore.Themicrostructureofstain1.essstee1.dri1.1.ingscrewsisnotspecified.JA.5.4Hydrogenembritt1.ementForthee1.ectrop1.ateddri1.1.ingscrews,thereisapossibi1.ityofriskofbreakageduetohydrogenembritt1.ement.Forcounteringthisrisk,themanufacturerand/orthee1.ectrop1.atersha1.1.conductatestforriskdetecti
28、onasspecifiedinJISB1045.JISB1044.inwhichmeasuresforhydrogenembritt1.ementre1.iefaredescribedfore1.ectrop1.atedfasteners,sha1.1.a1.sobensu1.ted.JA.6Mechanica1.PrOgrtie8JA.6.1Coraho1.edri1.1.izgcapacityTheendofdri1.1.ingscrewsha1.1.beshapedinsuchawaythatitiscapab1.eofdri11ingthecoreho1.erequiredforfor
29、mingtheinterna1.threadsunderthetestconditionsspecifiedinJA.8.3J.JA.6.2Threadformingcapabi1.ityThedri1.1.ingscrew,whendri1.1.edthroughthetestp1.ateSPeCifiedinJA.8.3.1.sha1.1.formamatinginterna1.threadinthecoreho1.edri1.1.edaccordingtoJA.6.1withoutdeformingtheirownthreads.JA.6.3Torsiona1.strengthtestT
30、hebreakingtorqueofdri1.1.ingscrew,whentestedinaccordancewithJA.8.3.3.sha1.1.notbesma1.1.erthantheminimumtorsiona1.strengthgiveninTab1.eJA.11.Tab1.eJA.11Minimumtoniona1.strength*11rvadizeMinimumUmtmana1.strengthNmST3.62.8ST4.24.7STt.86.9ST5.510.4ST6.316.98.1614.0JA.7SurfaceconditionThesurfaceofdri1.1
31、.ingscrewsha1.1.besmooth,andfreefromdefectsthataredetrimenta1.tousesuchascracks,f1.aws,f1.ashes,andburrs.JA.8InspectionJA.8.1Profi1.eeZdimenBionsinspectionTheprofi1.es/dimensionsofdri1.1.ingscrewssha1.1.beasfo1.1.ows.a) ThePrOBIeS/dimensionsofthreadsha1.1.beinspectedbymakingdirectmeasurements,andsha
32、1.1.conformtotherequirementsofTab1.eJ.3.b) Eorinspectionofcrossrecess,thegaugepenetrationqandengagementwithgaugesha1.1.beexamined.Thegaugepenetrationqsha1.1.bemeasuredinaccordancewith3.2.2ofJISB1012,andsha1.1.conformtotherequirementgiveninTab1.eJ.5toTab1.eJA.8.Eorengagementofcrossrecesswithgauge,the
33、testinacrdancewith3.2.3ofJISB1012sha1.1.benducted.andthedri1.bngscrewsha1.1.notfa1.1.byitsOWnweight.Thisdoesnotapp1.ytothosehavingthenomina1.1.engthIexceedingfivetimesthenomina1.diameter.Thewing1.engthmofcrossrecessneednotbeinspected.c) Theshapeanddimensionsofotherpartsofscrewthanthreadandcrossreces
34、ssha1.1.beinspectedbymakingdirectmeasurementsofeachpartinaccordancewiththemethodspeciedinJISB1071orbyanyequiva1.entmethod,andsha1.1.conformtotherequirementsofTab1.eJA.3toTab1.eJA.8.JA.8.2Meta1.1.urgica1.propertiesinspectionJA.8.2.1HardnesstetThehardnesstestofthedri1.1.ingscrewssha1.1.beconductedassp
35、ecifiedin4.1.1and4.1.2ofJISB1059.Themeasurementsha1.1.bemadeatapproximate1.ythecentrebetweentherootonthecrosssectionobtainedbysectioningthepara1.1.e1.threadportionsufficient1.yseparatefromthethreadtipatrightang1.estotheaxis1.ineandtheaxisre.JA.8.2.2MeasurementofcasedepthThemeasurementofcasedepthofst
36、ee1.dri1.1.ingscrewssha1.1.beconductedinaccordancewith4.1.3ofJISB1059.JA.8.2.3MicroetructuretestThemicrostructuretestofstee1.dri1.1.ingscrewssha1.1.beconductedinaccordancewith4.1.4ofJISB1059JA.8.3Mechanica1.propertiesinspectionJA.8.3.1DrivetestThetcatsforeva1.uatingthecoreho1.edri1.1.ingcapacityandt
37、hethreadformingcapabi1.ityspecifiedinJA.6.1andJA.6.2,respective1.y,sha1.1.beconductedinaccordancewith4.2.1ofJISB1059.TherequirementsforthedrivetestShaHbeasgiveninTab1.eJ.12.Tab1.eJA12Drivetestrequirements*11rcadsizeThicknessoftctPIatCammAxia1.forceNDuration(max)BRotationa1.speedofK1.VWUndcrno-1.oadm
38、in,ST3.51+1=2150418to2500ST4.21.51.5=3250518to2500ST4.82一2=4250718to2500ST5.52+3=53501110to1800ST6.323=53501310to180052+2=42071Sto250062+3=53501318tot25NotoaThethickneusoftheSBtPIatemaybachievedbyp1.acingtwop1.atesontopofoneanother.The*eva1.uesapp1.ytotheacceptancet.eston1.yWhenthetetp1.ateoftheXPCC
39、ifiCdp1.ateIhiCkneMcannoCbeobtained,u*tcc1.p1.atehavingthenea11*tthick*newpoH9ib1.on1.y1.arger,tothatspecifiedmaybeused.JA.8.3.2I1.ISPeCtionofdri1.1.edho1.eTheinspectionofdri1.1.edho1.esha1.1.beconductedinaccordancewith4.2.2ofJISB1059.Therequirementsforthisinspectionsha1.1.beasgiveninTab1.eJ.13.Tab1
40、.eJA.13Requirementsforinspectionofdri1.1.edho1.eThreadxizeThickneHatoftetp1.atemmHo1.ediametermmmin.max.ST3.512.73.0ST4.223.23.6ST4.823.74.2ST5.524.24.8ST6.324.85.4523.94.4624.65.2JA.8.3.3Torsiona1.strengthtestThetorsiona1.strengthtestofstee1.dri1.1.ingscrewssha1.1.benductedinacrdancewith4.2.3ofJISB
41、1069.Thetorquewrenchusedforthetorsiontestsha1.1.beinaccordancewithC1.ause5ofJISB1059.JA.8.4SurfaceconditioninspectionThesurfaceconditionsha1.1.bevisua1.1.yinspectedandsha1.1.conformtotherequire-mentsofJA.7.JA.8.5AcceptanceinspectionTheacceptanceinspection,un1.essotherwisespecified,sha1.1.beaspcciedi
42、nJISB1091.JA.9DesignationofproductsThedri1.1.ingscrewssha1.1.bedesignatedbythenumberortit1.eofthisStandard,tjpe,threadsizenomina1.1.ength,typeofcrossrecessandmateria1.,fo1.1.owedbyspecificrequirement,ifthereisany.Themateria1.maybeexpressedbyitsgenericname,butwhenasymbo1.isused,itsha1.1.beinaccordancewiththemateria1.symbo1.specifiedbyJapaneseIndustria1.Standard.Inthecaseofstee1.dri1.1.ingscrews,thedesignationmayomitthemateria1.Examp1.eTit
