公制细螺纹基本尺寸表M200-250

6206.10209.40209.20203.51204.21 3.250.874207.40209.58209.40205.67206.15 2.170.583208.05209.63209.48206.75207.13 1.620.436216.10219.40219.20213.51214.21 3.250.874217.40219.58219.40215.67216.15 2.170.583218.05219.63219.48216.75217.13 1.620.436236.10239.40239.20233.51234.21 3.250.874237.40239.58239.40235.67236.15 2.170.583238.05239.63239.48236.75237.13 1.620.436246.10249.40249.20243.51244.21 3.250.874247.40249.58249.40245.67246.15 2.170.583

248.05

249.63

249.48

246.75

247.13

1.62

0.43

M240

60°公制粗螺纹基本尺寸表

公称直径（d)螺距（t)标准径

中径

（d2)

外螺纹外经*(d)圆角半径（R)M250

工作高度（h)1,2级最小3级最小最小最大内螺纹内经(d1)

选用钻头

M210

M220