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Hangzhou Shida Machinery Co., Ltd.
Add: No 2.Baiye Road.Xikou Village.Baizhang Town,Yuhang District.Hangzhou
Tel: 0086-571-88566596 88566597 88566598
FAX: 0086-571-88565590
E-mail: admin@sdmachine.com.cn
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Thread Standard
BSPT Basic Dimension Table
|
Dia (inch） |
Threads No. |
Pitch(mm) |
Height of Threads (mm) |
Thread Length(mm) |
||
|
Normal |
Max. |
Min. |
||||
|
1/16 |
28 |
0.907 |
0.581 |
6.5 |
7.4 |
5.6 |
|
1/8 |
28 |
0.907 |
0.581 |
6.5 |
7.4 |
5.6 |
|
1/4 |
19 |
1.337 |
0.856 |
9.7 |
11 |
8.4 |
|
3/8 |
19 |
1.337 |
0.856 |
10.1 |
11.4 |
8.8 |
|
1/2 |
14 |
1.814 |
1.162 |
13.2 |
15 |
11.4 |
|
3/4 |
14 |
1.814 |
1.162 |
14.5 |
16.3 |
12.7 |
|
1 |
11 |
2.309 |
1.479 |
16.8 |
19.1 |
14.5 |
|
1 1/4 |
11 |
2.309 |
1.479 |
19.1 |
21.4 |
16.8 |
|
1 1/2 |
11 |
2.309 |
1.479 |
19.1 |
21.4 |
16.8 |
|
2 |
11 |
2.309 |
1.479 |
23.4 |
25.7 |
21.1 |
|
2 1/2 |
11 |
2.309 |
1.479 |
26.7 |
30.2 |
23.2 |
|
3 |
11 |
2.309 |
1.479 |
29.8 |
33.3 |
26.3 |
|
4 |
11 |
2.309 |
1.479 |
35.8 |
39.3 |
32.3 |
|
5 |
11 |
2.309 |
1.479 |
40.1 |
43.6 |
36.6 |
|
6 |
11 |
2.309 |
1.479 |
40.1 |
43.6 |
36.6 |
NPT Basic Dimension Table
|
Dia.(Inch) |
Threads No. |
Pitch(mm) |
Height of Threads (mm) |
Min. Thread Length (mm) |
|
1/16 |
27 |
0.941 |
0.752 |
6.886 |
|
1/8 |
27 |
0.941 |
0.752 |
6.924 |
|
1/4 |
18 |
1.411 |
1.129 |
10.018 |
|
3/8 |
18 |
1.411 |
1.129 |
10.329 |
|
1/2 |
14 |
1.814 |
1.451 |
13.571 |
|
3/4 |
14 |
1.814 |
1.451 |
14.061 |
|
1 |
11.5 |
2.209 |
1.767 |
16.786 |
|
1 1/4 |
11.5 |
2.209 |
1.767 |
17.294 |
|
1 1/2 |
11.5 |
2.209 |
1.767 |
17.294 |
|
2 |
11.5 |
2.209 |
1.767 |
17.691 |
|
2 1/2 |
8 |
3.175 |
2.540 |
23.685 |
|
3 |
8 |
3.175 |
2.540 |
25.813 |
|
4 |
8 |
3.175 |
2.540 |
27.781 |
|
5 |
8 |
3.175 |
2.540 |
30.162 |
|
6 |
8 |
3.175 |
2.540 |
30.670 |