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NPT Thread Ring Gauge

NPT thread ring gauge NPT thread ring gauge




NPT thread ring gage




conform:




FED-STD-H28/7
NPT thread ring gage
Gage CodePitch(mm)Gage CodePitch(mm)
1/16-27NPT 0.914 1 1/4-11.5NPT 2.209
1/8-27NPT 0.914 1 1/2-11.5NPT 2.209
1/4-18NPT 1.411 2-11.5NPT 2.209
3/8-18NPT 1.411 2 1/2-8NPT 3.175
1/2-14NPT 1.814 3-8NPT 3.175
3/4-14NPT 1.814 . . . . . . . . . . . .
1-11.5NPT 2.209 6-8NPT 3.175
The taper of NPT thread ring gauge: 1:16.
NPTF thread ring gage
Gage CodePitch(mm)Gage CodePitch(mm)
1/16-27NPTF 0.914 1 1/4-11.5NPTF 2.209
1/8-27NPTF 0.914 1 1/2-11.5NPTF 2.209
1/4-18NPTF 1.411 2-11.5NPTF 2.209
3/8-18NPTF 1.411 2 1/2-8NPTF 3.175
1/2-14NPTF 1.814 3-8NPTF 3.175
3/4-14NPTF 1.814 . . . . . . . . . . . .
1-11.5NPTF 2.209 6-8NPTF 3.175
The taper of NPTF thread ring gauge: 1:16.

  Reference hyperlink:  NPT thread plug gauge.