|
代号
|
基本直径
|
近似螺距
|
D
f10
|
E
js12
|
c
|
b
|
a
|
最少完整
螺纹牙数
|
最小完整
牙的长度
|
基面距
|
|
1/16
|
7.723
|
0.907
|
25
|
11
|
1.0
|
5
|
1
|
61/8
|
5.6
|
4
|
|
1/8
|
9.728
|
30
|
||||||||
|
1/4
|
13.157
|
1.337
|
38
|
14
|
1.2
|
6
|
61/4
|
8.4
|
6
|
|
|
3/8
|
16.662
|
45
|
18
|
61/2
|
8.8
|
6.4
|
||||
|
1/2
|
20.955
|
1.814
|
45
|
22
|
1.5
|
8
|
2
|
61/4
|
11.4
|
8.2
|
|
3/4
|
26.441
|
55
|
7
|
12.7
|
9.5
|
|||||
|
1
|
33.249
|
2.309
|
65
|
25
|
1.8
|
61/4
|
14.5
|
10.4
|
||
|
11/4
|
41.910
|
75
|
30
|
71/4
|
16.8
|
12.7
|
||||
|
11/2
|
47.803
|
90
|
2.0
|
|||||||
|
2
|
59.614
|
105
|
36
|
2.5
|
10
|
91/8
|
21.1
|
15.9
|
注:最少完整螺纹牙数、最小完整牙的长度和基面距均为螺纹尺寸，仅供板牙设计时参考。