API Go & no go casing gauges for BSP THREADS

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\"

TBG1.050 to 4-1/2\"

UPTBG 1.050 to 4-1/2\"

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\"