|
美制航空航天螺纹的标准系列 |
|||||||
|
公称直径/in |
牙 数 |
||||||
|
第一系列 |
第二系列 |
公类螺距系列 |
恒定螺距系列 |
||||
|
粗牙 UNJC |
细牙 UNJF |
超细牙 UNJEF |
8-UNJ |
12-UNJ |
16-UNJ |
||
|
0.0600 |
|
— |
80 |
— |
— |
— |
— |
|
|
0.0730 |
64 |
72 |
— |
— |
— |
— |
|
0.0860 |
|
56 |
64 |
— |
— |
— |
— |
|
|
0.0990 |
48 |
56 |
— |
— |
— |
— |
|
0.1120 |
|
40 |
48 |
— |
— |
— |
— |
|
0.1250 |
|
40 |
44 |
— |
— |
— |
— |
|
0.1380 |
|
32 |
40 |
— |
— |
— |
— |
|
0.1640 |
|
32 |
36 |
— |
— |
— |
— |
|
0.1900 |
|
24 |
32 |
— |
— |
— |
— |
|
|
0.2160 |
24 |
28 |
32 |
— |
— |
— |
|
0.2500 |
|
20 |
28 |
32 |
— |
— |
— |
|
0.3125 |
|
18 |
24 |
32 |
— |
— |
— |
|
0.3750 |
|
16 |
24 |
32 |
— |
— |
UNJC |
|
0.4375 |
|
14 |
20 |
28 |
— |
— |
16 |
|
0.5000 |
|
13 |
20 |
28 |
— |
— |
16 |
|
0.5625 |
|
12 |
18 |
24 |
— |
UNJC |
16 |
|
0.6250 |
|
11 |
18 |
24 |
— |
12 |
16 |
|
|
0.6875 |
— |
— |
24 |
— |
12 |
16 |
|
0.7500 |
|
10 |
16 |
20 |
— |
12 |
UNJF |
|
|
0.8125 |
— |
— |
20 |
— |
12 |
16 |
|
0.8750 |
|
9 |
14 |
20 |
— |
12 |
16 |
|
|
0.9375 |
— |
— |
20 |
— |
12 |
16 |
|
1.0000 |
|
8 |
12 |
20 |
UNJC |
UNJF |
16 |
|
|
1.0625 |
— |
— |
18 |
8 |
12 |
16 |
|
1.1250 |
|
7 |
12 |
18 |
8 |
UNJF |
16 |
|
|
1.1875 |
— |
— |
18 |
8 |
12 |
16 |
|
1.2500 |
|
7 |
12 |
18 |
8 |
UNJF |
16 |
|
|
1.3125 |
— |
— |
18 |
8 |
12 |
16 |
|
1.3750 |
|
6 |
12 |
18 |
8 |
UNJF |
16 |
|
|
1.4375 |
— |
— |
18 |
8 |
12 |
16 |
|
1.5000 |
|
6 |
12 |
18 |
8 |
UNJF |
16 |
|
|
1.5625 |
— |
— |
18 |
8 |
12 |
16 |
|
1.6250 |
|
— |
— |
18 |
8 |
12 |
16 |
|
|
1.6875 |
— |
— |
18 |
8 |
12 |
16 |
|
1.7500 |
|
5 |
— |
— |
8 |
12 |
16 |
|
|
1.8125 |
— |
— |
— |
8 |
12 |
16 |
|
1.8750 |
|
— |
— |
— |
8 |
12 |
16 |
|
|
1.9375 |
— |
— |
— |
8 |
12 |
16 |
|
2.0000 |
|
4.5 |
— |
— |
8 |
12 |
16 |
|
|
2.1250 |
— |
— |
— |
8 |
12 |
16 |
|
2.2500 |
|
4.5 |
— |
— |
8 |
12 |
16 |
|
|
2.3750 |
— |
— |
— |
8 |
12 |
16 |
|
2.5000 |
|
4 |
— |
— |
8 |
12 |
16 |
|
|
2.6250 |
— |
— |
— |
8 |
12 |
16 |
|
2.7500 |
|
4 |
— |
— |
8 |
12 |
16 |
|
|
2.8750 |
— |
— |
— |
8 |
12 |
16 |
|
3.0000 |
|
4 |
— |
— |
8 |
12 |
16 |
|
|
3.1250 |
— |
— |
— |
8 |
12 |
16 |
|
3.2500 |
|
4 |
— |
— |
8 |
12 |
16 |
|
|
3.3750 |
— |
— |
— |
8 |
12 |
16 |
|
3.5000 |
|
4 |
— |
— |
8 |
12 |
16 |
|
|
3.6250 |
— |
— |
— |
8 |
12 |
16 |
|
3.7500 |
|
4 |
— |
— |
8 |
12 |
16 |
|
|
3.8750 |
— |
— |
— |
8 |
12 |
16 |
|
4.0000 |
|
4 |
— |
— |
8 |
12 |
16 |
|
|
4.1250 |
— |
— |
— |
— |
12 |
16 |
|
4.2500 |
|
— |
— |
— |
— |
12 |
16 |
|
|
4.3750 |
— |
— |
— |
— |
12 |
16 |
|
4.5000 |
|
— |
— |
— |
— |
12 |
16 |
|
|
4.6250 |
— |
— |
— |
— |
12 |
16 |
|
4.7500 |
|
— |
— |
— |
— |
12 |
16 |
|
|
4.8750 |
— |
— |
— |
— |
12 |
16 |
|
5.0000 |
|
— |
— |
— |
— |
12 |
16 |
|
|
5.1250 |
— |
— |
— |
— |
12 |
16 |
|
5.2500 |
|
— |
— |
— |
— |
12 |
16 |
|
|
5.3750 |
— |
— |
— |
— |
12 |
16 |
|
5.5000 |
|
— |
— |
— |
— |
12 |
16 |
|
|
5.6250 |
— |
— |
— |
— |
12 |
16 |
|
5.7500 |
|
— |
— |
— |
— |
12 |
16 |
|
|
5.8750 |
— |
— |
— |
— |
12 |
16 |
|
6.0000 |
|
— |
— |
— |
— |
12 |
16 |