标准公差数值表
基本尺寸
公
差
等
级
mmIT01IT0IT1IT2IT3IT4IT5IT6IT7IT8IT9IT10IT11IT12IT13IT14IT15IT16IT17IT18
大于至
μm
mm
303050812234610142540600100140250400601014
36040611525461004061152541018050812235
58121830487501201803004807512186915223658900150220360580901522811182743701100180270430701101827
183006115254305006115254
6913213352841300210330520841302133711162539621001600250390621001602539
508008122380120115254120180122355
581319304674120190030046074120190304661015223554871402200350540871402203554812182540631001602500400631001602504063
180250234571014202946721151852900460721151852904672250315254681216233252811302103200520811302103205281
3154003540050046500630456
79131825365789140230360057089140230360578981015202740639715525040006309715525040063979111622304470110175280440070110175284470110
6308005710131825355080125200320500080125200325080125800100055811152129405690140230360560090140230365690140
100012506591318243446661051652604206601051652604266105165125016008111521294054781251953105007801251953105078125195160020009131825354865921502303706009201502303706092150230
20002500111522304157771101752804407001100175280440701101752802500315013182636506993135210330540860135021033054086135210330
注：基本尺寸小于1mm时，无IT14至IT18
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