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GradeAGradeBGradeCStudBoltsScopemaxThisstandardspecifiesdimensionsandtechnicaldeliveryconditionsforstudboltswithmetricthreadmadeof steel,stainlesssteelornonferrousmetalNormativereferences.Bolts,screwsandstudswithspecifiedpropertyclasses Coarsethreadandfinepitch threadScopeThispartofISOspecifiesmechanicalandphysicalpropertiesofStandardAsspecifiedinISOaForstudboltswithnominallengthsofmmormore, thetoleranceonlengthshallbejs(productgradeBasinDINENISO)ThefollowingsizesofmetricDINFullyThreadedStudBoltsareavailableforimmediate shippingfromstock:DiametersrangingfromM2toMandlengthstoThisInternationalStandardspecifieslengthsandthreadlengthsforbolts,screwsandstudsfor useinappropriateproductstandardsandotherrelevantdocuments,egc)Forstainlesssteelstudbolts,propertyclassandforsteelstudbolts,propertyclasses, andhaveDINStudboltdimensions(concluded)MminforANAMERICANNATIONALSTANDARDASMEB(RevisionofASMEB)ContinuousThread Stud,Double-EndStud,andFlangeBoltingStudStudboltsuseavarietyofscrewthreadprofilesdependingontheapplication.Itappliestobolts,screwsand studswithISOmetricscrewthreadaccordingtoISOa)TherangeofcommercialsizesforstudboltsofthreadsizesmallerthanMhasbeenamended.b)Fortype Astudbolts,therangeofnominallengths,l,hasbeenextendedtoincludemm,mmandmmthroughinDescriptionThefastenersaredesignatedby“Grade” denotingtensilestrengthandintendeduse,asfollows:GradeApproximatemassinkilogramsperunitsThreadsize(d)Lenght(l)Nominalsize(M39)MxMxMx MxMxMxMxMxMxMxM(M45)M(M52)M(M60)M(M68)M72EGproducesstud-boltsinaccordancewiththefollowingstandards: StudBoltsASME B,APISpecA,UNINutsASMEBandUNIThreadisinaccordancewith:ANSI/ASMEBInchThread··StudBoltsupto“includedUNCAover1“UNANuts upto“includedUNCBover1Someofthemostcommonthreadprofilesare:ISOmetricthread;ACMEthread;UNCthread;UNFStudboltDIN MIOx DesignationofanMIOstudboltwithanominallength,l,ofmm,andassignedtopropertyclassStudboltDIN MIOx TheAstudboltconsistsofone threadedsteelrod(thestud)andtwomatchinghexagonalheavysteelnutswhicharetightenedonthestudtoexecutethesealingofthemain&STUDBOLT FASTENERSHIGHTENSILEFASTENERSFOROIL,GAS&PETROCHEMICALScope*Thisspecification2coversthechemicalandmechanical requirementsoftwogradesofcarbonsteelboltsandstudsinsizes1⁄4inThisstandardincorporates,bydatedorundatedreference,provisionsfromother publicationsANAMERICANNATIONALSTANDARDASMEB(RevisionofASMEB)ContinuousThreadStud,Double-EndStud,andFlangeBoltingStud (StudBolt)(InchSeries)ThisInternationalStandardspecifieslengthsandthreadlengthsforbolts,screwsandstudsforuseinappropriateproductstandardsand otherrelevantdocuments,egforpartsperdrawing