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
28 8 22 16 14.116
28 5 24.25 20.5 19.322
28 3 25.75 23.5 22.793
30 10 22.5 15 12.645
30 6 25.5 21 19.587
30 3 27.75 25.5 24.793
32 10 24.5 17 14.645
32 6 27.5 23 21.587
32 3 29.75 27.5 26.793
34 10 26.5 19 16.645
34 6 29.5 25 23.587
34 3 31.75 29.5 28.793
36 10 28.5 21 18.645
36 6 31.5 27 25.587
36 3 33.75 31.5 30.793
38 10 30.5 23 20.645
38 7 32.75 27.5 25.851
38 3 35.75 33.5 32.793
40 10 32.5 25 22.645
40 7 34.75 29.5 27.851