标准公差值表.doc

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1、基本尺寸/mm标准公差等级IT1IT2IT3IT4IT5IT6IT7IT8IT9IT10IT11IT12IT13IT14IT15IT16IT17IT18大于至μmmm－30.81.2234610142540600.10.140.250.40.611.43611.52.545812183048750.120.180.30.480.751.21.861011.52.546915223658900.150.220.360.580.91.52.210181.2235811182743701100.180.270.430.71.1

2、1.82.718301.52.546913213352841300.210.330.520.841.32.13.330501.52.54711162539621001600.250.390.6211.62.53.95080235813193046741201900.30.460.741.21.934.6801202.5461015223554871402200.350.540.871.42.23.55.41201803.55812182540631001602500.40.6311.62.546.31802504.571

3、014202946721151852900.460.721.151.852.94.67.2250315681216233252811302103200.520.811.32.13.25.28.1315400791318253657891402303600.570.891.42.33.65.78.94005008101520274063971552504000.630.971.552.546.39.750063091116223244701101752804400.71.11.752.84.4711630800101318

4、253650801252003205000.81.2523.25812.58001000111521284056901402303605600.91.42.33.65.691420002500223041557811017528044070011001.752.84.471117.52825003150263650689613521033054086013502.13.35.48.613.52133注：1．基本尺寸大于500mm的IT1至IT5的标准公差数值为试行。2．基本尺寸小于等于1mm时，无IT14至IT18。