STJLR.60.5020.B900-2015-平头和埋头螺栓、精密螺纹螺钉和螺钉及垫圈组件的一般要求和尺寸要求-eng.pdf
Standard:STJLR.60.5020.B900
JaguarLandRoverLimited–EngineeringStandardIssue:6
Date:15October2015
Page:1of21
Title:GeneralandDimensionalRequirementsofPanand
CountersunkHeadBolts(includingBoltWasher
Assemblies),plusPrecisionThreadedScrewsand
ScrewWasherAssemblies
AINDEX
AIndex
BScope
CObject
DReview
ERelatedDocuments
FRequirements
ZChangeHistory
AppendixADeletedandreplacedwithISO7721
AppendixBDeleted.Forself-tappingscrewsseeSTJLR.60.5020.D900
AppendixCDimensionalrequirementsforhexalobulardrive
AppendixDDimensionalandgaugingrequirementsforexternalhexalobulardrivefeature
BSCOPE
Thisstandardappliestothegeneralanddimensionalrequirementsofpanhead,raisedcountersunk
headandflatcountersunkheadboltsandprecisionthreadedscrewsandboltsandprecision
threadedscrewandwasherassemblieswithaninternalhexalobulardriverecessspecifiedforJLR
vehicles.
ExternalhexalobulardrivedataisdetailedinAppendixD.
COBJECT
Defineproducttolerance,gaugingandacceptancecriteriaforboltsandscrewsforvarioushead
stylesandrecesses.
DREVIEW
Thisdocumentmustbereviewedatleasteverythreeyearsfromthedateofthelastreviewor
revision.
ThisdocumentisapprovedforusebyJaguarLandRoverLimited
Preparedby:RoyDydeAuthorisedby:An