API thread Gauges usage:
1.Used for checking API internal & external thread.
Conform to: API 5B
and 7. CSG,LCSG,LP,BCSG,TBG,UPTBG
2. Used for checking API internal and external threads.
Spec 5B:
CSG 4-1/2 to 20"
LCSG 4-1/2 to 20"
LP 1/8 to 12"
BCSG 4-1/2 to 6"
TBG1.050 to 4-1/2"
UPTBG 1.050 to 4-1/2"
3.Spec 7-2
NC10 to NC77
REG 2-3/8 to 8-5/8"
FH 3-1/2 to 6-5/8"
IF 2-3/8 to 5-1/2"
API thread Gauges usage: Used for checking API internal & external thread. Conform to: API 5B and 7. CSG,LCSG,LP,BCSG,TBG,UPTBG API Thread Gauges: Used for checking API internal and external threads. Spec 5B: CSG 4-1/2 to 20\" LCSG 4-1/2 to 20\" LP 1/8 to 12\" BCSG 4-1/2 to 6\" ...
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