大径中径小径(基准直径)d2＝D2d1＝D1d ＝D 1\16277.8957.142 6.389 4.064 4.32 2.82237.938 6.1351\82710.2429.4898.736 4.102 4.36 2.822310.2878.481\41813.61612.48711.358 5.786 4.1 4.234313.71610.9973\81817.05515.92614.797 6.096 4.32 4.234317.14514.4161\21421.22319.77218.3218.128 4.48 5.443321.33617.8133\41426.56825.11723.6668.611 4.75 5.443326.6723.128111.533.22831.46129.69410.16 4.6 6.627333.40129.0591 1\411.541.98540.21838.45110.668 4.83 6.627342.16437.7841 1\211.548.05446.28744.5210.688 4.83 6.627348.2643.854211.560.09258.32556.55811.074 5.01 6.627360.32555.8662 1\2872.69970.15967.61917.323 5.46 6.35273.02566.5363888.60886.06883.52819.456 6.13 6.35288.982.3123 1\28101.31698.77696.23620.853 6.57 6.352101.694.93248113.973111.433108.89321.438 6.75 6.352114.3107.55358140.952138.412135.87223.87.5 6.352141.3134.38468167.792165.252162.71224.3337.66 6.352168.275161.19188218.441215.901213.361278.5 6.352219.075211.673108272.312269.772267.23230.7349.68 6.352273.05265.31112
8
323.032
320.492
317.952
34.544
10.88
6.35
2
323.85
315.793
牙数距离螺纹尺寸代
号每25.4mm 内的螺纹牙
数 n 圆锥外螺纹小端面处的螺纹外径H=0.8666025P h=0.8P f=0.033P
牙数基面上的基本直径
基准距离L1
装配余量L3
管子外径
距离