WORLDWIDE

ENGINEERINGMaterialSpecificationGMW16535

STANDARDS

MetallurgicalandMechanicalPropertiesofWheelBoltsandStuds

3Requirements

1Scope3.1Material.

Thisstandardcoversthemetallurgical,processing,3.1.1Type1SerratedShankBoltsandStuds.

andmechanicalrequirementsforpassengercarSAE1541perSAEJ403steel,finegrainshallbe

andtruckwheelboltsandstuds.usedformetricsizesthrough14mmdiameter.

1.1MaterialDescription.ThisspecificationMediumcarbonalloysteel,finegrainwith

describesserratedandnon-serratedshankwheelhardenabilitythatwillproduceaminimum

boltsandstuds.SerratedshankwheelboltsandhardnessofHRC47atcenterofthreadedsection,

studsincludecarburizedandquenchedandonediameterfromendofboltafteroilquenching

temperedrequirements.Non-serratedquenchedshallbeusedformetricsizesover14mm.

andtemperedboltsandstudsarealsodescribed.3.1.2Type2andType3SerratedShank/Non-

ThetypeofwheelboltorstudisdescribedbyaserratedShankBoltsandStuds.Mediumcarbon

suffixaddedtothebasicspecification.Type1isormediumcarbonalloysteelperGMW25

carburizedserratedshankwheelboltsandstuds.grade10.9.

Type2isquenchedandtemperedshankboltsand

3.2TypeRequirements.