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1、常用普通螺紋基本尺寸對照表常用普通螺紋基本尺寸對照表PV3H=P=0.866025404P2TOC o 1-5 h z33. HYPERLINK l bookmark9 D2=D-2拓H;d2=d-2X-Hoo55D1-D-2X-IT;dl=d-2X-H38標記示例:M24,公稱直徑為24mm的粗牙普通螺紋,;M24X1.5,公稱直徑為24mm,螺距為1.5mm的細牙普通螺紋,;M24X1.5左,公稱直徑為24mm,螺距為1.5mm,方向為左旋的細牙普通螺紋,.公稱直徑D,d螺距中徑小徑PD2或d2D1或d1第一系列第二系列0.250.8380.72910.20.8700.7830.250.9

2、380.8291.10.20.9700.8830.251.0380.9291.20.21.0700.9830.31.2051.0751.40.21.2701.1830.351.3731.2211.60.21.4701.3830.351.5731.4211.80.21.6701.5830.41.7401.56720.251.8381.7290.451.9081.7132.20.252.0381.9290.452.2082.0132.50.352.2732.1211常用普通螺紋基本尺寸公稱直徑D,d螺距中徑小徑第一系列第二系列PD2或d2D1或dl0.52.6752.45930.352.7732.

3、621,0.6,3.1102.8503.50.353.2733.1210.73.5453.24240.53.6753.459,0.75,4.0l33.6884.50.54.l753.9590.84.4804.l3450.54.6754.4595.3504.9l760.755.5l35.l88,0.5,5.6755.459l.257.l886.6477.3506.9l780.757.5137.188,0.5,7.6757.4591.59.0268.3761.259.1888.6471019.3508.9170.759.5139.188,0.5,9.6759.4591.7510.86310.106

4、1.511.02610.3761.2511.18810.6471211.35010.9170.7511.51311.188,0.5,11.67511.45912.70111.8351.513.02612.376,1.25,13.18812.64714113.35012.917,0.75,13.51313.138,0.5,13.67513.459常用普通螺紋基本尺寸公稱直徑D,d螺距中徑小徑第一系列第二系列PD2或d2D1或di14.70113.83515.02614.37416115.35014.917,0.75,15.51315.1880.515.67515.45916.37615.2942

5、16.70115.83517.02616.3761817.35016.917,0.75,17.51317.188,0.5,17.67517.45918.37617.29418.70117.83519.02618.3762019.35018.917,0.75,19.51319.188,0.5,19.67519.45920.37619.29420.70119.83521.02620.37622121.35020.917,0.75,21.51321.188,0.5,21.67521.45922.05120.752222.70121.835241.523.02622.376123.35022.917,

6、0.75,23.51323.18825.05123.752225.70124.835271.526.02625.376126.35025.917,0.75,26.51326.1883常用普通螺紋基本尺寸公稱直徑D,d螺距中徑小徑4第一系列第二系列PD2或d2D1或dl3.527.72726.211,3,28.05126.752228.70127.835301.529.02628.37629.35028.917,0.75,29.51329.1883.530.72729.211,3,31.05129.75231.70130.8353332.02631.37632.35031.917,0.75,32.51332.18833.40231.67034.05132.75236234.70133.8351.535.02634.376,1,35.35034.91736.40234.670337.05135.75239237.70136.8351.538.02637.376,1,38.35037.9174.539.07737.129,4,39.40237.67040.05138.7524240.70139.8351.541.02640

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