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J.P.G.
Pipe Thread Gauge
TG - R
Nominal size
Thread per inch
Pitch (mm)
R 1/16
28
0.907
R 1/8
28
0.907
R 1/4
19
1.337
R3/8
19
1.337
R 1/2
14
1.814
R3/4
14
1.814
R 1
11
2.309
R 1 1/4
11
2.309
R 1 1/2
11
2.309
R 2
11
2.309
R 2 1/2
11
2.309
R 3
11
2.309
R 4
11
2.309
R 5
11
2.309
R 6
11
2.309
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