基本尺寸mm大于36101830508012018025031540050063080010001250160020002500至361018305080120180250315400500630800100012501600200025003150公 差 等 级IT010.30.40.40.50.60.60.811.222.5344.555.56.5891113IT00.50.60.60.8111.21.523456678911131518IT10.8111.21.51.522.53.54.5678910111315182226IT21.21.51.522.52.5345789101113151821253036IT322.52.5344568101213151618212429354150IT434456781012141618202225293440485769IT5μm4568911131518202325273035404654657793IT668911131619222529323640445056667892110135IT710121518212530354046525763708090105125150175210IT814182227333946546372818997110125140165195230280330IT9IT10IT11IT12253036435262748710011513014015517520023026031037044054040600.1048750.1258900.15701100.18841300.211001600.251201900.301402200.351602500.401852900.462103200.522303600.572504000.632804400.703205000.803605600.904206601.055007801.256009201.5070011001.7586013502.10IT130.140.180.220.270.330.390.460.540.630.720.810.890.971.101.251.401.651.952.302.803.30IT140.250.300.360.430.520.620.740.871.001.151.301.401.551.752.002.302.603.103.704.405.40IT15IT160.600.750.901.101.301.601.902.202.502.903.203.604.004.45.05.66.67.89.211.013.5IT171.01.21.51.82.12.53.03.54.04.65.25.76.37.08.09.010.512.515.017.521.0IT181.41.82.22.73.33.94.65.46.37.28.18.99.711.012.514.016.519.523.028.033.0mm0.400.480.580.700.841.001.201.401.601.852.102.302.502.83.23.64.25.06.07.08.6 注：基本尺寸小于1mm时，无IT14至IT18
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