普通螺紋牙距和基本尺寸.doc

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1、普通螺紋牙距和基本尺寸(GB/T196-1981)公稱直徑D、d螺距P中徑D2或d2小徑D1或d1公稱直徑D、d螺距P中徑D2或d2小徑D1或d110.250.8380.729[22]1.521.02620.3761.20.251.0380.9292.520.37619.294[1.4]0.31.2051.07524222.70121.8351.60.351.3731.221322.05120.75220.41.7401.567[27]225.70124.8352.50.452.2082.013325.05123.75230.52

2、.6752.45930228.70127.835[3.5](0.6)3.1102.8503.527.72726.21140.73.5453.242[33]231.70130.8354.50.754.0133.6883.530.72729.21150.84.4804.13436334.05132.752615.3504.917433.40231.670817.3506.917[39]337.05135.7521.257.1886.647436.40234.6701019.3508.91742340.05138.7521.259.18

3、88.6474.539.07737.1291.59.0268.376[45]343.05141.752121.2511.18810.6474.542.07740.1291.511.02610.37648346.05144.7521.7510.86310.459544.75242.587[14]1.513.02612.37652(4)49.40247.670212.70111.835548.75246.587161.515.02614.37656453.40251.670214.70113.8535.552.42850.046[18

4、]1.517.02616.376[60]457.40255.6702.516.37615.294(5.5)56.42854.046201.519.02618.37664461.40259.670218.70117.835660.10357.5052.518.37617.294注：優(yōu)先選用不帶［］直徑。