|
Pipe Thread Which Seal-thread
Basic Dimension and Error of - GO
BACK to USE GUIDE
| Item |
TPI
n |
Pitch
mm |
Teeth Height
mm |
Circular
Radius
mm |
Base Diameter |
Base Length
and Error |
Effective
Thread
Length
mm
|
Limit Error of Female Thread
+T2/2 |
Major Diameter
d=D
mm |
Pitch Diameter
d2=D2
mm |
Minor
Diameter
d1=D1
mm |
Base Length
mm |
Limit Error
+T1/2 |
| mm |
Teeth |
| mm |
Teeth |
| 1/16 |
28 |
0.097 |
0.581 |
0.125 |
7.723 |
7.142 |
6.561 |
4.0 |
0.9 |
1 |
6.5 |
1.1 |
1.25 |
| 1/8 |
28 |
0.097 |
0.581 |
0.125 |
9.728 |
9.147 |
8.566 |
4.0 |
0.9 |
1 |
6.5 |
1.1 |
1.25 |
| 1/4 |
19 |
1.337 |
0.856 |
0.184 |
13.157 |
12.301 |
11.455 |
6.0 |
1.3 |
1 |
9.7 |
1.7 |
1.25 |
| 3/8 |
19 |
1.337 |
0.856 |
0.184 |
16.662 |
15.806 |
14.950 |
6.4 |
1.3 |
1 |
10.1 |
1.7 |
1.25 |
| 1/2 |
14 |
1.814 |
1.162 |
0.249 |
20.955 |
19.793 |
18.631 |
8.2 |
1.8 |
1 |
13.2 |
2.3 |
1.25 |
| 3/4 |
14 |
1.814 |
1.162 |
0.249 |
26.441 |
25.279 |
24.117 |
9.5 |
1.8 |
1 |
14.5 |
2.3 |
1.25 |
| 1 |
11 |
2.309 |
1.479 |
0.317 |
33.249 |
31.770 |
30.291 |
10.4 |
2.3 |
1 |
16.8 |
2.9 |
1.25 |
| 1-(1/4) |
11 |
2.309 |
1.479 |
0.317 |
41.910 |
40.431 |
38.592 |
12.7 |
2.3 |
1 |
19.1 |
2.9 |
1.25 |
| 1-(1/2) |
11 |
2.309 |
1.479 |
0.317 |
47.803 |
46.324 |
44.345 |
12.7 |
2.3 |
1 |
19.1 |
2.9 |
1.25 |
| 2 |
11 |
2.309 |
1.479 |
0.317 |
59.614 |
58.135 |
56.656 |
15.9 |
2.3 |
1 |
23.4 |
2.9 |
1.25 |
| 2-(1/2) |
11 |
2.309 |
1.479 |
0.317 |
75.184 |
73.705 |
72.226 |
17.5 |
2.3 |
1.5 |
26.7 |
2.9 |
1.5 |
| 3 |
11 |
2.309 |
1.479 |
0.317 |
87.884 |
86.405 |
84.926 |
20.6 |
2.3 |
1.5 |
29.8 |
3.5 |
1.5 |
| 3-(1/2) |
11 |
2.309 |
1.479 |
0.317 |
100.330 |
98.851 |
97.372 |
22.2 |
2.3 |
1.5 |
31.4 |
3.5 |
1.5 |
| 4 |
11 |
2.309 |
1.479 |
0.317 |
113.030 |
111.551 |
110.072 |
25.4 |
2.3 |
1.5 |
35.8 |
3.5 |
1.5 |
| 5 |
11 |
2.309 |
1.479 |
0.317 |
138.430 |
136.951 |
135.472 |
28.6 |
2.3 |
1.5 |
40.1 |
3.5 |
1.5 |
| 6 |
11 |
2.309 |
1.479 |
0.317 |
163.830 |
162.351 |
160.872 |
28.6 |
2.3 |
1.5 |
40.1 |
3.5 |
1.5 |
|
