Regular Rotary

Regular Rotary

Northern gauge manufactures API Regular Rotary working, reference and regional master gages per API Specification 7-2 for sizes from 1 to 8-5/8 inches in diameter. All working gages are manufactured and certified using a certified API reference master gage as required by the standard.

 

REGULAR ROTARY
SIZE T.P.I. T.P.F. THD FORM
1 6 1.5 V-0.055
1-1/4 7 2 V-0.020
1-1/2 6 1.5 V-0.055
2-3/8 5 3 V-0.040
2-7/8 5 3 V-0.040
3-1/2 5 3 V-0.040
4-1/2 5 3 V-0.040
5-1/2 4 3 V-0.050
6-5/8 4 2 V-0.050
7-5/8 4 3 V-0.050
8-5/8 4 3 V-0.050