机械五金行业常用尺寸公差表

塑料件尺寸公差表（摘自 GB/T14486-93）（续 上表） 塑料件尺寸公差表（摘自 GB/T14486-93）公差等级公差种类基 本 尺 寸140～160160～180180～200200～225225～250250～280280～315315～355355～400400～450450～500MT1A0.360.400.440.480.520.560.600.640.700.780.86B0.460.500.540.580.620.660.700.740.800.880.96公差等级公差种类基 本 尺 寸0～33～66～1010～1414～1818～2424～3030～4040～5050～6565～8080～100100～120120～140MT1A0.070.080.090.100.110.120.140.160.180.200.230.260.290.32B0.140.160.180.200.210.220.240.260.280.300.330.360.390.42MT2A0.100.120.140.160.180.200.220.240.260.300.340.380.420.46B0.200.220.240.260.280.300.320.340.360.400.440.480.520.56MT3A0.120.140.160.180.200.240.280.320.360.400.460.520.580.64B0.320.340.360.380.400.440.480.520.560.600.660.720.780.84MT4A0.160.180.200.240.280.320.360.420.480.560.640.720.820.92B0.360.380.400.440.480.520.560.620.680.760.840.921.021.12MT5A0.200.240.280.320.380.440.500.560.640.740.861.00 1.141.28B0.400.440.480.520.580.640.700.760.840.941.061.20 1.341.48MT6A0.260.320.380.460.540.620.700.800.941.101.281.481.722.00B0.460.520.580.680.740.820.901.001.141.301.481.681.922.20MT7A0.380.480.580.680.780.881.001.141.321.541.802.102.402.70B0.580.680.780.880.981.081.201.341.521.742.002.302.603.10MT2A0.500.540.600.660.720.760.840.921.001.101.20B0.600.640.700.760.820.860.941.021.101.201.30MT3A0.700.780.860.921.001.101.201.301.401.601.74B0.900.981.061.121.201.301.401.501.641.801.94MT4A1.021.121.241.361.481.621.802.002.202.402.60B1.221.321.441.561.681.822.002.202.402.602.80MT5A1.441.601.761.922.102.302.502.803.103.503.90B1.641.801.962.122.302.502.703.003.303.704.10MT6A2.202.402.602.903.203.50 3.804.304.705.306.00B2.402.602.803.103.403.704.004.504.905.506.20MT7A3.003.303.704.104.504.905.406.006.707.408.20B3.203.503.904.304.705.105.606.206.907.608.40注： 1）、A 为不受模具活动部分影响的尺寸公差值；B 为受模具活动部分影响的尺寸公差值； 2）、《公差等级》按下页《常用材料模塑件公差等级选用表》确定。常用材料模塑件公差等级选用表（摘自 GB/T14486-93...