无屑丝攻下孔径表(公制).pdf

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1、无屑丝攻下孔径表公制螺纹的下孔径和无屑丝攻的精度番号2级饱和率2级饱和率用精用精外径牙距下孔径（mm）外径牙距下孔径（mm）度番度番号100%90%80%70%号100%90%80%70%M1.00.2540.860.870.890.90M9.01.578.298.368.438.500.230.890.900.910.92178.438.498.558.60M1.10.2540.960.970.991.000.7578.578.628.668.700.230.991.001.011.020.568.728.748.778.80M1.20.2541.061.071.091.10M101.5

2、79.159.239.329.400.231.091.101.111.121.2579.299.369.439.50M1.40.341.231.251.261.28179.439.499.559.600.231.291.301.311.320.7579.579.629.669.70M1.60.3541.401.421.441.460.569.729.749.779.800.231.491.501.511.52M111.51010.1510.2310.3210.40M1.70.3541.501.521.541.561810.4310.4910.5510.600.241.591.601.611

3、.620.75810.5710.6210.6610.70M1.80.3541.601.621.641.66M121.75811.0111.1111.2111.310.231.691.701.711.721.5811.1511.2311.3211.40M2.00.441.771.801.821.841.25811.2911.3611.4311.500.2541.861.871.891.911811.4311.4911.5511.60M2.20.4541.941.972.002.02M1421012.8712.9813.0913.210.542.062.072.092.101.5913.151

4、3.2313.3213.40M2.30.442.072.102.122.141.25813.2913.3613.4313.500.2542.162.172.192.201813.4313.4913.5513.60M2.50.4542.242.272.302.32M151.5914.1514.2314.3214.400.3542.302.322.342.361814.4314.4914.5514.60M2.60.4542.342.372.402.42M1621014.8714.9815.0915.210.3552.402.422.442.461.5915.1515.2315.3215.40M

5、3.00.652.662.692.732.761815.4315.4915.5515.600.552.722.742.772.80M171.51116.1516.2316.3216.400.3552.802.822.842.861916.4316.4916.5516.60M3.50.653.163.193.233.26M182.51116.5816.7216.8717.010.3553.303.323.343.3621116.8716.9817.0917.21M4.00.7563.573.623.663.701.51017.1517.2317.3217.400.763.603.643.68

6、3.721917.4317.4917.5517.600.563.723.743.773.80M202.51118.5818.7218.8719.01M4.50.7564.074.124.164.2021118.8718.9819.0919.210.564.224.244.274.301.51019.1519.2319.3219.40M5.00.964.494.544.594.641919.4319.4919.5519.600.864.554.594.644.68M222.51120.5820.7220.8720.010.564.724.744.774.8021120.8720.9821.0

7、921.21M5.50.964.995.045.095.141.51021.1521.2321.3221.400.565.225.245.275.301921.4321.4921.5521.60M6.0175.435.495.555.60M2421122.8722.9823.0923.210.7565.575.625.665.701.51023.1523.2323.3223.400.565.725.745.775.801