NPT, PT, R, G thread standard size table_pipe thread standard size table_taper pipe thread comparison table specification table

\n Regarding NPT, PT, R, G thread standard size table, pipe thread standard size table, taper pipe thread comparison table specifications table and other related information, the editor of Shenwei has compiled the information here for your reference. \nGBasic dimensions of pipe threads\nBasic dimensions
Pitch diameter tolerance
Trail Tolerance
Large diameter tolerance\nThread size code
Number of teeth included in 25.4mm
Pitch P
Teeth height h
Da Jia
Medium diameter
trails
internal thread
External thread
internal thread
External thread\nLower deviation
Upper deviation +
lower deviation
upper deviation
lower deviation
Upper deviation +
lower deviation
Upper deviation\nClass A
Class B\n1/8
28
0.907
0.581
9.728
9.147
8.566
0
0.107
-0.107
-0.214
0
0
0.282
-0.214
0\n1/4
19
1.337
0.856
13.157
12.301
11.445
0
0.125
-0.125
-0.250
0
0
0.445
-0.250
0\n3/8
19
1.337
0.856
16.662
15.806
14.950
0
0.125
-0.125
-0.250
0
0
0.445
-0.250
0\n1/2
14
1.814
1.162
20.955
19.793
18.631
0
0.142
-0.142
-0.284
0
0
0.541
-0.284
0\n 5/8
14
1.814
1.162
22.911
21.749
20.587
0
0.142
-0.142
-0.284
0
0
0.541
-0.284
0\n 3/4
14
1.814
1.162
26.441
25.279
24.117
0
0.142
-0.142
-0.284
0
0
0.541
-0.284
0\n 7/8
14
1.814
1.162
30.201
29.039
27.877
0
0.142
-0.142
-0.284
0
0
0.541
-0.284
0\n1.000
11
2.309
1.479
33.249
31.770
30.291
0
0.18
-0.180
-0.360
0
0
0.640
-0.360
0\n1-1/8
11
2.309
1.479
37.897
36.418
34.939
0
0.18
-0.180
-0.360
0
0
0.640
-0.360
0\n1-1/4
11
2.309
1.479
41.910
40.431
38.952
0
0.18
-0.180
-0.360
0
0
0.640
-0.360
0\n1-1/2
11
2.309
1.479
47.803
46.324
44.845
0
0.18
-0.180
-0.360
0
0
0.640
-0.360
0\n1-3/4
11
2.309
1.479
53.746
52.267
50.788
0
0.18
-0.180
-0.360
0
0
0.640
-0.360
0\n2
11
2.309
1.479
59.614
58.135
56.656
0
0.18
-0.180
-0.360
0
0
0.640