udc 621 ..753 .1 : 621 .7 : 621

of 7/7
m m- m 01 a E x m Z ° m o W 9 m m v mm = z C m . v m z C, m I Aft / - UDC621 ..753 .1 : 621 .7 : 621 .9 : 744 .43 o`5 c c CL m0 - m~ o m LC 3 m r = vm oc~ 0 . m L - o A 0. 0 Z DEUTSCHENORM BeuthVerlagGmbH,Berlin,hastheexclusiverightofsaleforGermanStandards (DIN-Normen). 10.91 April1991 GeneraltolerancesforIinearandangular dimensionsandgeometrical= .tolerances (not tobeusedfor .newdestgns) .'-j' ;,, DIN 7168 Allgemeintoleranzen ;Langen-andWinkelma8e,Formand=Lage&' SupersedesMay1981 (nichtfurNeukonstruktionen) '.. .'7'1 editionofDIN7168 Part1andJuly1986 Thisstandardisnottobeusedfornewdesigns .GeneraltolerancesforthesearenowcoveredbyISO2768Parts1and2 . Seealsoclause1andtheExplanatorynotes . InkeepingwithcurrentpracticeinstandardspublishedbytheInternationalOrganizationforStandardization(ISO),a commahasbeenusedthroughoutasthedecimalmarker . 1Scope Thisstandardisintendedtoensurethatalldrawings preparedtodateinwhichgeneraltoleranceshavebeen specifiedonthebasisofDIN7168willremainintelligible andbeinterpretedcorrectly,andalsotoinformtheuserof thisstandardthat,forallnewdesigns,tolerancesaretobe specifiedonthebasisofISO2768Parts1and2 . 2 Fieldofapplication Generaltolerancesasspecifiedinthisstandardare applicableforthedimensionsofpartsproducedbymetal removal(i .e .chipremoval)'),unlessthisinvolvesspecia! manufacturingprocessesforwhichotherstandardsspeci- fyinggeneraltolerancesapply . Generaltolerancesasspecifiedhereshallapplywhen referenceismadetothisstandardindrawingsorasso- ciateddocuments(e .g .deliveryconditions)inaccordance withclause5 . Ifspecialgeneraltolerancesarespecifiedinaccordance withotherstandards(cf .page6),thestandardsconcerned shallbeindicatedonthedrawingorintheassociated documents .If,incaseswhereproductionspecifications containreferencestomorethanonestandardongeneral tolerances,thereisanydoubtastowhichstandardisto applyforagivenlinearorangulardimension,thenthe standardspecifyingthelargertoleranceshallbedeemed toapply . Accordingly,adimensionbetweenanunfinishedanda finishedsurfaceonablank(e .g .onacastingblankor forgingblank),forwhichnoindividualtolerancehasbeen indicated,willberequiredtomeetthegeneraltolerance givenintherelevantstandardonblanks,providedthatis indeedthelargertolerance .However .foradimension betweentwofinishedsurfaces,thegeneraltolerance specifiedinDIN7168shallalwaysapply . Productionspecificationsinwhichlinearorangulardimen- sions(butnotauxiliarydimensions)appearwithoutindivid- uallyindicatedtolerancesshallbeconsideredincompleteif thereisnoreference,orinadequatereference,togeneral tolerances . Generaltolerancesasspecifiedinthisstandardapplyfor : a)lineardimensions,suchasexternalsizes,internal sizes,stepsizes,diameters,clearances(cf .table1), externalradiiandchamferheightsforbrokenedges(cf . table2) ; b)angulardimensions(cf .table3),boththoseindicated andthosenotusuallyindicatedondrawings,suchas90° anglesortheanglesofregularpolygons : c)linearandangulardirrfeensionsproducedbymachining assembledparts : d)workpiecefeaturesforwhichnoindividualtolerancesof formandpositionareindicated . Generaltolerancesasspecifiedinthisstandarddonot applyfor : a)linearandangulardimensionsandworkpiecefeatures forwhichtoleranceshavebeenindividuallyindicated ; b)linearandangulardimensionsandworkpiecefeatures forwhichotherstandardsongeneraltolerancesare specifiedindrawingsorassociateddocuments ; c)auxiliarydimensionsenclosedinbrackets(cf .DIN406 Part2) ; d)theoreticallyexactdimensionsenclosedinrectangular framesasspecifiedinISO1101 ; e)angulardimensionsoncirculargraduations ; f)90°angles,notindicatedonthedrawing,betweenlines formingcoordinateaxes : linearandangulardimensionsproducedbytheassem- blyofparts ; h)workpiecefeatureswhicharenotproducedbyremoval ofmaterial,inaccordancewiththeindicationofasemi- finishedproductondrawings . ')Forconceptsrelatingtomanufacturingprocesses .see DIN8580 . Continuedonpages2to7 g) DIN7168Engl .Pricegroup8 SalesNo .0108 •' •• '

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~~~~~~~~~~~ ~~ ~ ~~ ~~~~ ~~ ~ ~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~ ~~~~~ ~~~~~~ ~~~~~~ ~~~~~~~ ~~~~~~~~ ~~~~ ~ ~~~~~ ~~~ ~~~~~~~~~~~~~~~~~ ~~~~~~~~ ~~~~ ~~~~~~ ~~ ~~ ~~~~~~~~~ ~~~~ ~~~~~~~~~~~ ~~~ ~~~~~~~~~~ ~~~~~ ~~~ ~~~~~~~~ ~~~~~~~~~~~ ~~~~~ ~~~~~~~~ ~~ ~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~ ~ ~~~ ~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~ ~~~~ ~ ~~~~~~~~~~~~~~~~~~~~~ ~~~~~~ ~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~ ~~ ~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~ ~~~ ~~~~~~~~~~~~~~~ ~~~~~~~~ ~~~~~~~~~~~~ ~~~~~ ~~~ ~~~~~~~~~~~~~~ ~~~~~ ~~~~ ~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~ ~~~~~ ~~~ ~~~~ ~~~~~~~~ ~~~~~~~~~~ ~~~~~~ ~~~~~~~ ~~~~~~~~~~~~~~~~~~~ ~~ ~ ~~~~~~~~ ~~~~~~~~~~~~~~~~~~ ~~~ ~~~~~~~ ~~~~ ~~~~~~ ~ ~~~ ~ ~~~~ ~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~ ~~~~ ~~~~~~~~~ ~~~~~~~~~ ~~~~~ ~~~~ ~~~~ ~~~~~~~~ ~~~~~~ ~~~~ ~ ~~~~ ~~~~~~ ~~~~~~~ ~~~~~~~~~ ~~~~~~~ ~ ~~~~ ~~~ ~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~ ~~~~~~ ~~~~~~~~~~~~~~~~~~~ ~ ~~~~~~~ ~~~~~~~~~~~~~~~ ~~~~~~~~~~~~ ~~~ ~~~~~~~~ ~~~~~~ ~~~~ ~~~ ~~~~~~~~~~~ ~~~~~~~~~~~ ~~~~~ ~~~~ ~ ~~~ ~~~~~~~~~ ~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~ ~~~~~~~~~~~~~~~~~~~~~~ ~ ~ ~~~~~~~~~~ ~~ ~~~~~~~~~ ~~~~~~~~~~~~~~~ ~~~ ~~~~~~~~~ ~~~~~~~~~~~~~~ ~~~~~~~~~ ~~~~~ ~~~ ~~~~ ~~~~~~ ~~~~~~~~~~~~~~~~~~~~ ~~~~~~~ ~ ~~~ ~~~~~~~~~~~~ ~~ ~~~~~ ~~~~~~~~~ ~~~~~~~~~~~~~ ~~~ ~~~ ~~~~~~~~~ ~~ ~~~~~ ~~~~~~~~~~~~~~~~

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~~~~~~~~~~~ ~~~~~~~~~~ ~~ ~ ~~~~~~~~~~~~~~ ~~ ~~ ~~~~~~~~ ~~~ ~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~ ~~~~~~~~ ~~~~ ~~~~~~~~~~~~~~~~~~ ~~~~~~ ~~~~~~~~~~~~~~~ ~~~~~~~~~~~ ~~~~~~~~ ~ ~ ~~~~~~~~~~~~~~~~~~~~~~~~~ ~~ ~~~~~ ~~ ~~~~~~ ~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~ ~~~~~~~~~ ~~~~~~ ~~~ ~~~~~~~~~~ ~~ ~~~~~~~~ ~~ ~ ~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~ ~~ ~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~ ~ ~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~ ~~~~~~ ~~~~~~~~~~ ~~~~~~~~ ~~~ ~~~ ~~ ~~~~~~~~~~ ~~~ ~~~ ~~~~~~~~ ~~~~~ ~~~ ~~~~ ~~~~~~ ~~~~~~~ ~~~~~~~~~~~~~~~~~~~ ~~ ~ ~~~ ~~~~~ ~~~~~~~~~~ ~~~~~~~~~~ ~~~~~~~~ ~~~~~ ~~~~~~~ ~~~~ ~~~~~~ ~~~~~~ ~ ~~~ ~~~~~ ~~~~~~ ~~~ ~~~ ~~~~~~~~~~ ~~~~~~~~~~~ ~~ ~ ~~~~~~~~~~ ~~~~~ ~~~~~~ ~~~~~~~~~~~~ ~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~ ~~~~ ~~~~~~~ ~~~~~~~ ~~~~~~~~~~~~~~ ~~~~ ~ ~~ ~~~~ ~~~~~ ~~~~~~~~ ~~~ ~~~~~~~~~~ ~~~~~~~ ~~~~~~~~~~~~~~~ ~~ ~~~ ~~~~~~~~ ~~~~~ ~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~ ~~~~ ~~~~~~~~ ~~~~~~~~~ ~~~~ ~~~~~~ ~~~~~~~ ~~~~~~~~~~~~~~~~~~~ ~~~~~~~~ ~ ~~~ ~~~~~ ~~~~~~~~ ~~~~~~~~~~~~~~~ ~~~~~~~~ ~~~~ ~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~ ~~~~~~ ~~~~~~~~ ~~~~~~~~~~~~~~~ ~~~~~~~~ ~~~~ ~~~~~~~~~ ~~~~~ ~~~~~~~~~~ ~~~~~~ ~~~~ ~~ ~~~~~~~~~~~ ~~~~~~ ~~~~~~~~~~~~~~~~ ~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~ ~ ~~ ~~ ~~~~~~ ~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~ ~~~~~~ ~~~~~~~~~~ ~~~ ~~~~~~ ~~~~~~~~~~~~~~~ ~~ ~~ ~~~~~~~ ~~ ~~~~~~ ~~~~~~~~~~~~~~~~~~~~~ ~~~ ~~~~~~~~~~~~~~~ ~~~~~~ ~~~~~~~~ ~~~~ ~~~~~~~~ ~~~~~~~~~~~ ~~~~~~~ ~~~~~~~~~~~ ~~~~ ~~ ~~~ ~~~~~~~~ ~~~~~~~ ~~~~~~ ~~~~~~~ ~ ~~~~~~~~~ ~~ ~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~ ~~~~ ~ ~ ~~~~ ~~~ ~~~~~~~~~~~~~~~ ~~~~ ~~~~~~ ~~~~ ~~~~ ~~~~~~~~~~~~ ~~~~~~~~~ ~~ ~~~~~ ~ ~~~~ ~~ ~~~~~~~~~ ~ Page2DIN71683 Generaltolerancesforlinearandangulardimensions3. 1 LineardimensionsTable1 . Permissibledeviations forlinear dimensions,exceptforexternalradiiandchamferheightsTable2. Permissibledeviationsforexternalradii,r( cf. figure 1forexample),andchamferheights,h( cf. figure2forexample)3. 2 AngulardimensionsGeneraltolerancesforangulardimensionsapplyirrespec-tiveoftheactualdimensionsofthelengths,i . e . theangulardeviationsmayoccurbothonworkpieceswithmaximum-materialsizesandonworkpieceswithminimum-materialsizes. Theupperandlowerdeviationsdonotlimittheformdeviationsofthelegsorsurfacesformingtheangle .Note. Inthecaseofworkpiecesexhibitingdeviationsofform,theangleisdefinedbythedirectionofthestraightlinesorplanesappliedtothetwoanglelegsundertheminimummaterialconditions( cf.ISO1101forthedefinitionoftheminimumcondi-tion) .Table3. Permissibledeviationsforangulardimensions4 Generalgeometricaltolerances4 . 1Tolerancing principleasspecifiedinISO8015GeneraltolerancesbasedonthetolerancingprinciplespecifiedinISO8015areonlytobeappliedwhenthedrawingconcernedcontainsthereference'TolerancingtoISO8015' . Wherethatisthecase. thegeneralgeometricaltolerances( i . e . thetolerancesofformandposition)applyindependentlyoftheactuallocalsizesoftheworkpiecefeature . Eachindividualtolerancerequirementmustbemet. Thegeneralgeometricaltolerancesmaythusalsobeappliedevenifthefeaturesareeverywhereattheirmaximummaterialsize. Forfits,theenveloperequirementmustalsobespecified,andthisshallbeindividuallyindicatedonthedrawings( cf . Explanatorynotes) .4 . 1 . 1 Generaltolerancesofform4 . 1 . 1 . 1 StraightnessandflatnessThegeneraltolerancesonstraightnessandflatnessshallbeasspecifiedintable4. Tolerancesonstraightnessshallbeselectedfromthetableonthebasisofthelengthofthecorrespondingtine,while,forflatnesstolerances,selec-tionshallbebasedonthelongerlaterallengthofthesurface,oronthediameterofthecircularsurface .4 . 1 . 1 . 2CircularityThegeneraltoleranceoncircularityshallbeequaltothenumericalvalueofthediametertolerance,butinnocaseshallitbegreaterthantherespectivetoleranceonradialrun-outgivenintable6( cf. Explanatorynotes) .Toleranceclassforfrom0,5 1 )to3Permissiblenominalover3upto6deviations,sizes,over6upto30ininmm .over30upto120mm,over120upto400f( fine)0,2 0,5 1 _2 4m( medium)g( coarse). 0,2 1 2 t4 8sg( verycoarse)Fornominalsizesbelow0 . 5mm,thedeviationsshallbeindicatedadjacenttotherelevantnominalsize .Permissibledeviations,inunitsofangle,fornominalsizesoftheshorterleg,inmm,Toleranceclassover10over10upto50over over50

120uptoupto120 400over400f( fine)T1 30'120'i10' 5 'm( medium)g( coarse) 1 30'I

I50'i25' I 15'1 1 0'sg( verycoarse) =3i2 - 1 30' 20'Toleranceclassfrom0,5')toover3uptoover6uptoPermissibleover30uptodeviations,over120uptoinmm,over400uptoover1000uptofornominalover2000uptosizes, inmm,over4000uptoover8000uptoover12000uptoover16000upto3 6 30 120 400 1000 2000 4000 8000 12000 16000 20000f( fine) 0,05 I 0,05 0,1 0,15 0 . 2 0,3 0,5 0,8 - -m( medium) 0,1 10,1 0,2 0,3 0,5 0,8 12 2 3 4 I . 5 I t6g( coarse) 0,15- 0,2 0,5 0,8 1,2 2 3~ 4 5 6 7 I 8sg( verycoarse) - 0,5 1 1,5 2 34 6 810 12 12') Fornominalsizesbelow0,5mm,thedeviationsshallbeindicatedadjacenttotherelevantnominalsize .11;1~b.-C -4 L MTable4 . Generaltoleranceson straightnessandflatness4 .1.1.3C ylindricityGeneraltolerancesoncylindricityhavenotbeenspecified .Note .Iftheenveloperequirementistoapplytofitswithcylindricalsurfaces,thedimensionconcernedshallbeidentifiedbythesymbol, ( e .g . 025 or 0Thelimitationofthedeviationinparallelismisgiveneitherbythegeneraltolerancesonstraightnessorflatness( cf .subclause 4 .1.1.1) , orbythetoleranceonthedistancebetweentheparallellinesorsurfaces,whicheveristhegreater .Thelongerofthetwofeaturesshallbetakenasthedatum .Ifbothfeaturesareofthesamenominalsize,theneithermayserveasthedatum .If,forfunctionalreasons,thesedatumspecificationsarenotpermissible,thenthotoleranceonparallelismshallbeindividuallyindicatedasspecifiedinISO1101.Note .Iftheenveloperequirementistoapplytofitswithflatmatingsurfaces,thenthedimensionconcernedshallbeidentifiedbythesymbol,asspecifiedinISO8015 ( e .g . 30p,or30h7) .4 .1.2 .2PerpendicularityandinclinationGeneraltolerancesonperpendicularityandinclinationhavenotbeenspecified .Instead,thegeneraltolerancesonangulardimensionsmaybeapplied( cf .subclause 3 .2) .4 .1.2 .3SymmetryThegeneraltolerancesforsymmetrical,butnotaxiallysymmetrical,featuresaretobetakenfromtable5 .Thesegeneraltolerancesalsoapplyincaseswhereoneofthesymmetricalfeaturesisaxiallysymmetricalandtheotherisnot.Forgeneraltolerancesonsymmetry,thelongerfeatureshallbetakenasthedatum.Thatappliestoallfeatureswhichmaybereferredtoeachother.Ifbothfeaturesareofthesamenominallength,theneithermayserveasthedatum.If,forfunctionalreasons,thesedatumspecifica-tionsarenotpermissible,thetoleranceonsymmetryshall,beIndividuallyindicatedasspecifiedinISO1101.y vr . ;14 .1.Z .4 .'.' C oax]alit~; .` -, General tolerancesoncoaxialityhavenotbeenspeced.1The,deviatiortncoaxiality myiianextremecasesbeas"!great{as,the oolerancavalueforradialrun-outgivenintable6,sincethedeviationinradialrun-outcomprisesthedeviationincoaxialityandthedeviationincircularity( cf .Explanatorynotes) .Table5 .Generaltolerances onsymmetry4 .1.2.5 Radialrun-outThegeneraltolerancesonradialrun-outshallbea :specifiedintable6 .Forgeneraltolerancesonradialrun-out,thebearingsurfacesshallbetakenasthedatum,iftheyaredesignatedassuch .Otherwise,thelongerofthetwofeaturesshallbetakenasthedatum .Ifbothfeaturesareofthesamenominalsize,eithermayserveasthedatum .If,forfunctionalreasons,thesedatumspecifica-tionsarenotpermissible,thetoleranceonradialrun-outshallbeindividuallyindicatedasspecifiedinISO1101 .4 .1.2 .6Axialrun-outThegeneraltolerancesonaxialrun-outshallbeasspecifiedintable6 .Forgeneraltolerancesonaxialrun-out,thebearingsurfacesshallbetakenasthedatum,iftheyaredesignatedassuch .Otherwise,eachoftheaxiallysymmetricfeaturesmayserveasthedatum .Table6 .Generaltolerancesonradialandaxialrun-outDIN7168Page3ToleranceclassRadialandaxialrun-outtolerances,inmmR 0,1S 0,2T 0,5U 1ToleranceclassSymmetrytolerance,inmmR 0,3S 0,5T 1U 2Generaltolerancesonstraightnessandflatness,inmm,foranominalsize,inmm,ofToleranceclass upto6over6upto30over30upto120over 120upto4 00over 4 00upto1000over1000upto2000over2000upto 4 000over4 000upto 8000over8000R 0,004 0,01 0,02 0,04 0,07 0,1 - - -S 0,008 0,02 0,04 0,08 0,15 0,2 0,3 0,4

-T 0,025 0,06 0,12 0,25 0,4 . . 0,6 0,9 12

I 1,8U 0,1 0,25 0,5 1,5 2,5 3,5 525H7 ( [ ) ) .W*4 .1.2 Generaltolerancesofposition4 .1.2 .1 ParallelismPage4DIN71684. 2 Tolerancingprinciple'enveloperequirementwithoutindicationondrawing'asspecifiedinDIN71674. 2 . 1 Generaltolerances offormGeneraltolerancesofformhavenotbeenspecified . A lldeviationsinformshall, ifnoindividualtolerancesofformhavebeenindicated, belimitedbythedimensionaltolerancesasfollows .Shaft Cylinder10~pr/ B / /LMaximumlimitofsizeCyuncerShaftTolerance

iToleranceeMinimumlimitofsizeMaximumlimitofsizeTolerance, , -

Tolerance,

_ , ;ToleranceMinimumlimitl ---

iToleranceofsizeMaximumlimitofsize

Maximumlimitof size4 . 2 . 2 Generaltolerancesofposition4 . 2 . 2 . 1 ParallelismFortolerancesonparallelism, thespecificationsgiveninsubclause4 . 2 . 1shallapplyanalogously .4. 2 . 2 . 2 PerpendicularityandinclinationGeneraltolerancesonperpendicularityandinclinationhavenotbeenspecified . Instead, thegeneraltolerancesforangulardimensionsmaybeapplied(cf . subclause 3 . 2 ) .Note. Previously, therulewasthatthedeviationsinperpendicularityshouldliewithinthedimensionaltolerances . measuredinarectangularsystemofcoordinates . Inpractice. however, thislimitationwasandishardlyeverobservedinindustrybecauseitisseldomrequiredforfunctionalreasons .4. 2 . 2 . 3SymmetryFortolerancesonsymmetryofnon-axiallysymmetricalworkpiecefeatures, thevaluesspecifiedintable7shallapply . Thesetolerancesonsymmetryshallalsoapplytorelationshipsbetweenworkpiecefeatureswhereoneofthefeaturesisaxiallysymmetricalandtheotherisnot .-MinimumlimitofsizeInthecaseofshafts, thesurfaceofthefeatureshallnotexceedthegeometricallyidealform(cylinder) atitsmaximummaterialsize(envel-operequirement) , norshalltheactualdimen-sionbesmallerthantheleastmateriallimitatanypoint.Note. ThecylinderatitsmaximummateriallimitisembodiedbytheGOringgauge.Inthecaseofholes, thesurfaceofthefeatureshallnotbesmallerthanthegeometricallyidealform(cylinder) atitsminimummaterialsize(enveloperequirement) , norshalltheactualdimensionbegreaterthanthemaximummaterialsizeatanypoint.Note. ThecylinderatitsminimummateriallimitofsizeisembodiedbytheGOpluggauge.Table7. Generaltolerancesonsymmetryfornon-axiallysymmetricalworkpiecefeaturesTheabovesymmetrytolerancesmayalsoobtaininthecaseofworkpiecesattheir'maximummaterialsize' .4. 2 . 2. 4Radialandaxialrun-outFortolerancesonradialrun-outintherelationshipoftwoormoreaxiallysymmetricalworkpiecefeatures, andfortolerancesonaxialrun-out . thevaluesspecifiedintable8shallapply .ToleranceclassToleranceonsymmetry, inmm02 ') 0 . 0601) 0 . 15A 0 . 3B 0 . 5C 1D 2')Mainlyappliesforprecisionengineeringapplications1 9Theabovetolerancesonradialrun-outmayalsoobtaininthecaseofworkpiecesattheir'maximummaterialsize',butthis46

doesnotapplytoaxialrun-outtolerances,becauseaxialrun-outmustalwaysliewithinthelineartolerances .5 Designationandindicationondrawingsofgeneraltolerances as specifiedin DIN71 685 .1 Designationofgeneraltolerancesfordimensions,onlyExample :DIN71 68 -mDIN numberToleranceclassmasperclause3ofthisstandard5 .2 DesignationofgeneraltolerancesbasedonISO801 5Example :DIN71 68 -m-SDINnumberToleranceclassmasperclause3forsizetoleranceToleranceclassSaspersubclause4 .1 fortolerancesofform and position5 .3 Designationofgeneraltolerancesbasedonprincipleof`enveloperequirementwithoutindicationondrawing'asperDIN71 67Example :aTable8.Generaltolerancesonradialrun-outIntherelationshipbetweenaxiallysymmetricalfeatures,andgeneraltolerancesonaxialrun-outDIN71 68Page5ToleranceclassToleranceonradialandaxialrun-out,inmm02') 0,0201 1 ) 0,05A a

0,1B 0,2C 0,5D 1' Mainlyappliesforprecisionengineeringapplications .