Goodwill & Company

		[Chinese]

　

Pipe Thread Gauge

TG - NPT

Thread Gauge Specifications

Nominal size	Thread per inch	Pitch (mm)
NPT 1/16	27	0.941
NPT 1/8	27	0.941
NPT 1/4	18	1.411
NPT 3/8	18	1.411
NPT 1/2	14	1.814
NPT 3/4	14	1.814
NPT 1	11.5	2.209
NPT 1 1/4	11.5	2.209
NPT 1 1/2	11.5	2.209
NPT 2	11.5	2.209
NPT 2 1/2	8	3.175
NPT 3	8	3.175
NPT 3 1/2	8	3.175
NPT 4	8	3.175
NPT 5	8	3.175
NPT 6	8	3.175

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