VW 11615_200309 中英文 公制ISO螺纹包含防护层在内的粗糙公差等级的极限尺寸-外螺纹8g 内螺纹7H.pdfVIP

MetricISOThreadsLimitDimensionswithProtectionVW11615-2003.09

CoatingforCoarseToleranceClass(8g/7H)

公制ISO螺纹包含防护层在内的粗糙公差等级的极限尺寸-外螺共12页第1页

纹8g内螺纹7H

大众标准-性能标准

Descriptors:limitdimension,thread,tolerancezone,internalthread,externalthread,male

thread,femalethread,protectivecoating,surfaceprotection

Changes

ThefollowingchangeshavebeenmadeascomparedtoVW11615,1985-10:

─Standardwascompletelyrevisedandformatted

─Designationmalethreadchangedtoexternalthread

─Designationfemalethreadchangedtointernalthread

─Drawingwasmodifiedaccordingtothenewdrawingrules

─Tablewasdividedintoexternalandinternalthreadtables

─Tables3and4:M24x2,M30x2,M36x3,M39x3added,M40x1,M42x1removed

Previousissues

1985-10

1Scope

ThenominalandlimitdimensionsinTables1to4andFigure1applytothefinalconditionphosphated

orwithelectrolyticsurfaceprotection.Forlimitdimensionsbeforeapplicationofanelectrolytic

surfaceprotectionlayer,seeVW11625,beforeapplicationofaphosphatelayer,see

VW11614.

Generally,themediumtoleranceclassaccordingtoVW11610isreleased.Thecoarsetolerance

classhasasmallerpitchdepthofengagementandrequiresspecialgages.Therefore,itcanbe

permittedonlyinexceptionalcases,e.g.iftheaccuracyaccordingtothemediumtoleranceclass

cannotbecompliedwith.Itmustbespecifiedonthedrawing.

2Designation

DesignationofametricISOcoarsethreadwithnominaldiameterd=10mmandflanklead

P=1.5mm,toleranceclas