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J.P.G.
 

Pipe Thread Gauge
 

TG - NPTF
 

 
Thread Gauge Specifications
Nominal size Thread per inch Pitch (mm)
NPTF 1/16 27 0.941
NPTF 1/8 27 0.941
NPTF 1/4 18 1.411
NPTF 3/8 18 1.411
NPTF 1/2 14 1.814
NPTF 3/4 14 1.814
NPTF 1 11.5 2.209
NPTF 1 1/4 11.5 2.209
NPTF 1 1/2 11.5 2.209
NPTF 2 11.5 2.209
NPTF 2 1/2 8 3.175
NPTF 3 8 3.175
 

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