TemplateForENGSTDS
WORLDWIDE
ENGINEERINGGeneralSpecificationGMW3362
STANDARDS
MPointforExternalMetricThread,CoarsePitchFasteners
1Introduction
Note:Nothinginthisstandardsupercedesapplicablelawsandregulations.
Note:IntheeventofconflictbetweentheEnglishanddomesticlanguage,theEnglishlanguageshalltake
precedence.
1.1Purpose.ThisstandardspecifiesthecharacteristicsofMPointsforexternalmetricthreadedfastenerswith
coarsepitch;M5,M6,M8,M10,M12,M14andM16.
1.1.1Designation.
TypeA:Bolts,screws,studsanddoubleendstudswithastandardendpoint,seeFigure1andTable1.
TypeB:Bolts,screwsanddoubleendstudswithanexternalhexdriverendpoint,seeFigure2andTable2.
TypeC:Bolts,screwsanddoubleendstudswithanexternalsix-lobedriverendpoint,seeFigure3andTable3.
Note:Whennotexplicitlyspecified,thedefaultshallbeTypeA.
1.2Applicability.Thisspecificationappliestothedesignofananti-crossthreadingfeatureforexternally
threadedfasteners.
Note:Onlythelatestapprovedstandardsareapplicableunlessotherwisespecified.
1.3Remarks.Calculationmethodfornominallength(Lnom)revisedMay2017.Designsanddrawingsreleased
priortoMay2017areexempttothecalculationmethodologyforLnom.Designsanddrawingsreleasedafter
May2017willutilizethenewcalculationmethodology.ThecalculationdiscrepancywasidentifiedwithLnom
equalto50mm.
2References