直径与螺距系列
标准系列
|
惠氏螺纹的标准系列 |
||
|---|---|---|
|
公称直径/in |
牙 数 |
|
|
粗牙(B.S.W.) |
细牙(B.S.F.) |
|
|
1/8 |
(40) |
|
|
3/16 |
24 |
(32) |
|
7/32 |
|
(28) |
|
1/4 |
20 |
26 |
|
9/32 |
|
(26) |
|
5/16 |
18 |
22 |
|
3/8 |
16 |
20 |
|
7/16 |
14 |
18 |
|
1/2 |
12 |
16 |
|
9/16 |
(12) |
16 |
|
5/8 |
11 |
14 |
|
11/16 |
(11) |
(14) |
|
3/4 |
10 |
12 |
|
7/8 |
9 |
11 |
|
1 |
8 |
10 |
|
11/8 |
7 |
9 |
|
11/4 |
7 |
9 |
|
13/8 |
|
(8) |
|
11/2 |
6 |
8 |
|
15/8 |
|
(8) |
|
13/4 |
5 |
7 |
|
2 |
4.5 |
7 |
|
21/4 |
4 |
6 |
|
21/2 |
4 |
6 |
|
23/4 |
3.5 |
6 |
|
3 |
3.5 |
5 |
|
31/4 |
(3.25) |
5 |
|
31/2 |
3.25 |
4.5 |
|
33/4 |
(3) |
4.5 |
|
4 |
3 |
4.5 |
|
41/4 |
|
4 |
|
41/2 |
2.875 |
|
|
5 |
2.75 |
|
|
51/2 |
2.625 |
|
|
6 |
2.5 |
|
|
注：优先选用不带括号的牙数。 |
||
选择组合系列(Whit.S.)
|
惠氏螺纹的选择组合系列(Whit.S.) |
|||||||||
|---|---|---|---|---|---|---|---|---|---|
|
公称直径/in |
牙 数 |
||||||||
|
第一系列 |
第二系列 |
4 |
6 |
8 |
12 |
16 |
20 |
26 |
32 |
|
1/4 |
|
|
|
|
|
|
|
|
32 |
|
5/16 |
|
|
|
|
|
|
|
26 |
32 |
|
3/8 |
|
|
|
|
|
|
|
26 |
32 |
|
7/16 |
|
|
|
|
|
|
|
26 |
|
|
1/2 |
|
|
|
|
|
|
20 |
26 |
|
|
9/16 |
|
|
|
|
|
|
20 |
26 |
|
|
5/8 |
|
|
|
|
|
|
20 |
26 |
|
|
|
11/16 |
|
|
|
|
16 |
20 |
26 |
|
|
3/4 |
|
|
|
|
|
16 |
20 |
26 |
|
|
|
13/16 |
|
|
|
|
16 |
20 |
26 |
|
|
7/8 |
|
|
|
|
|
(16) |
20 |
(26) |
|
|
|
15/16 |
|
|
|
12 |
(16) |
20 |
(26) |
|
|
1 |
|
|
|
|
12 |
(16) |
20 |
(26) |
|
|
|
11/16 |
|
|
|
12 |
(16) |
20 |
(26) |
|
|
11/8 |
|
|
|
|
12 |
(16) |
20 |
(26) |
|
|
|
13/16 |
|
|
(8) |
12 |
(16) |
20 |
(26) |
|
|
11/4 |
|
|
|
|
12 |
(16) |
20 |
(26) |
|
|
|
15/16 |
|
(6) |
(8) |
12 |
(16) |
20 |
(26) |
|
|
13/8 |
|
|
(6) |
|
12 |
(16) |
20 |
(26) |
|
|
|
17/16 |
|
(6) |
(8) |
12 |
(16) |
20 |
(26) |
|
|
11/2 |
|
|
|
|
12 |
16 |
20 |
(26) |
|
|
|
15/8 |
|
(6) |
|
12 |
16 |
20 |
(26) |
|
|
13/4 |
|
|
|
|
12 |
16 |
20 |
(26) |
|
|
|
17/8 |
|
(6) |
(8) |
12 |
16 |
20 |
(26) |
|
|
2 |
|
|
|
|
12 |
16 |
20 |
(26) |
|
|
|
21/8 |
|
(6) |
8 |
12 |
16 |
(20) |
|
|
|
21/2 |
|
|
|
8 |
12 |
16 |
(20) |
|
|
|
|
23/8 |
|
(6) |
8 |
12 |
16 |
(20) |
|
|
|
21/4 |
|
|
|
8 |
12 |
16 |
(20) |
|
|
|
|
25/8 |
|
(6) |
8 |
12 |
16 |
(20) |
|
|
|
23/4 |
|
|
|
8 |
12 |
16 |
(20) |
|
|
|
|
27/8 |
|
(6) |
8 |
12 |
16 |
(20) |
|
|
|
3 |
|
|
(6) |
8 |
12 |
16 |
(20) |
|
|
|
|
31/8 |
|
(6) |
8 |
(12) |
16 |
|
|
|
|
31/4 |
|
|
(6) |
8 |
(12) |
16 |
|
|
|
|
|
33/8 |
|
(6) |
8 |
(12) |
16 |
|
|
|
|
31/2 |
|
|
(6) |
8 |
(12) |
16 |
|
|
|
|
|
35/8 |
|
(6) |
8 |
(12) |
16 |
|
|
|
|
33/4 |
|
|
(6) |
8 |
(12) |
16 |
|
|
|
|
|
37/8 |
|
(6) |
8 |
(12) |
16 |
|
|
|
|
4 |
|
|
(6) |
8 |
(12) |
16 |
|
|
|
|
|
41/8 |
|
(6) |
8 |
(12) |
16 |
|
|
|
|
41/4 |
|
|
(6) |
8 |
(12) |
16 |
|
|
|
|
|
43/8 |
4 |
(6) |
8 |
(12) |
16 |
|
|
|
|
41/2 |
|
4 |
(6) |
8 |
(12) |
16 |
|
|
|
|
|
45/8 |
4 |
(6) |
8 |
(12) |
16 |
|
|
|
|
43/4 |
|
4 |
(6) |
8 |
(12) |
16 |
|
|
|
|
|
47/8 |
4 |
(6) |
8 |
(12) |
16 |
|
|
|
|
5 |
|
4 |
(6) |
8 |
(12) |
16 |
|
|
|
|
|
51/8 |
4 |
(6) |
8 |
(12) |
16 |
|
|
|
|
51/4 |
|
4 |
(6) |
8 |
(12) |
16 |
|
|
|
|
|
53/8 |
4 |
(6) |
8 |
(12) |
16 |
|
|
|
|
51/2 |
|
4 |
(6) |
8 |
(12) |
16 |
|
|
|
|
|
55/8 |
4 |
(6) |
8 |
(12) |
16 |
|
|
|
|
53/4 |
|
4 |
(6) |
8 |
(12) |
16 |
|
|
|
|
|
57/8 |
4 |
(6) |
8 |
(12) |
16 |
|
|
|
|
6 |
|
4 |
(6) |
8 |
(12) |
16 |
|
|
|
|
|
61/4 |
4 |
(6) |
8 |
(12) |
16 |
|
|
|
|
61/2 |
|
4 |
(6) |
8 |
(12) |
16 |
|
|
|
|
|
63/4 |
4 |
(6) |
8 |
(12) |
16 |
|
|
|
|
7 |
|
4 |
6 |
8 |
12 |
16 |
|
|
|
|
注：1.优先选用第一系列直径。 2.优先选用不带括号的牙数。 |
|||||||||
选择螺距系列(Whit.)
|
惠氏螺纹的选择螺距系列(Whit.) |
|||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
牙 数 |
|||||||||||||||
|
4 |
6 |
8 |
10 |
11 |
12 |
14 |
16 |
18 |
20 |
24 |
26 |
28 |
32 |
36 |
40 |
|
注：优先选用黑体牙数。 |
|||||||||||||||
