3°/30°米制锯齿形螺纹的基本尺寸
公称直径 螺距P 中径
D2=d2
小径
D1 d3
10 2 8.5 7 6.529
12 3 9.75 7.5 6.793
12 2 10.5 9 8.529
14 3 11.75 9.5 8.793
14 2 12.5 11 10.529
16 4 13 10 9.058
16 2 14.5 13 12.529
18 4 15 12 11.058
18 2 16.5 15 14.529
20 4 17 14 13.058
20 2 18.5 17 16.529
22 8 16 10 8.116
22 5 18.25 14.5 13.322
22 3 19.75 17.5 16.793
24 8 18 12 10.116
24 5 20.25 16.5 15.322
24 3 21.75 19.5 18.793
26 8 20 14 12.116
26 5 22.25 18.5 17.322
26 3 23.75 21.5 20.793