螺钉螺距尺寸表

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1、螺纹尺寸表(3级普通螺纹)螺纹代号M螺距t底孔直径d(I)底孔直径d(II)大端直径D大端直径D大端直径D(钢)(铸铁)GB70-86GB65-86GB66-86內六角螺钉圆柱头螺钉沉头螺钉--------------------------------------------------------------------------------M10.250.750.7M1.20.250.950.9M1.40.31.11.05M1.60.351.251.2M20.41.61.553.54M2.20.451.751.7M2.50.452.0524.25M30.52.52.4556

2、M3.50.62.9--------------------------------------------------------------------------------M40.73.33.2777.5M4.50.75M50.84.24.18.58.59M6154.9101011M81.256.756.612.512.515M101.58.58.3151518M121.7510.2510181822(M14)212212125M1621413.8242429(M18)2.515.5272732M202.517.517.2303036--------------------

3、-------------------------------------------------------------(M22)2.519.533M2432120.736M303.526.526.142M3643231.5M424.540.537M4854342.4M52547M565.550.5M605.554.5M64658M68662---------------------------------------------------------------------------------(底孔直径d=M-t)I:钢II:铸铁2005.12.20edit螺纹尺寸表(3

4、级普通螺纹)