未注公差尺寸的极限偏差
（mm
基本尺寸
大于至361018305080120180250361018305080120180250315H1201000120015001800210025003000350040004600520H1301400180022002700330039004600540063007200810H1402500300036004300520062007400870100011501300H150400048005800700084010012001400160018502100H1606000750090011001300160019002200250029003200H171000120150180210250300350400460520H18140180220270330390460540630720810h1200100012001500180021002500300035004000460052h1300140018002200270033003900460054006300720081
公
h1400250030003600430052006200740087010001150130
差
h1500400048005800700084010001200140016001850210
带
h1600600075009001100130016001900220025002900320h17010012015018021025030035040046052h18014018022027033039046054063072081Js12js12Js13js13Js14js14Js15js15Js16js16Js17js17Js18js18±07±09
±005±006
±007±0125±020±030±05±009
±015±018
±024±0375±06
±0075±011
±029±045±075±11
±009±0135±0215±035±055±09±135±0105±0165±026±042±065±105±165±0125±0195±031±050±080±125±195±015±023
±037
±060±095±15
±23
±0175±027±0435±070±110±175±27±020±0315±050±080±125±20±315±023±036±0575±0925±145±23
±36
±026±0405±065±105±160±26±405
注：1、基本尺寸小于1mm时，H14至H18、h14至h18和JS14js14至JS18js18均不采用。
2、一般孔用H；轴用；长度用JS或js。必要时，可不分孔、轴或长度均采用JS或js工程师签字：
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