沉头螺钉、半沉头螺钉沉孔尺寸(摘自GB/T152.2—1988)(mm)
螺纹规格
|
M1.6
|
M2
|
M2.5
|
M3
|
M3.5
|
M4
|
M5
|
M6
|
M8
|
M10
|
M12
|
M14
|
M16
|
M20
|
d2(H13)
|
3.7
|
4.5
|
5.6
|
6.4
|
8.4
|
9.6
|
10.6
|
12.8
|
17.6
|
20.3
|
24.4
|
28.4
|
32.4
|
40.4
|
t≈
|
1
|
1.2
|
1.5
|
1.6
|
2.4
|
2.7
|
2.7
|
3.3
|
4.6
|
5.0
|
6.0
|
7.0
|
8.0
|
10.0
|
d1(H13)
|
1.8
|
2.4
|
2.9
|
3.4
|
3.9
|
4.5
|
5.5
|
6.6
|
9
|
11
|
13.5
|
15.5
|
17.5
|
22
|
a
|