API 5B 20" LCSG Casing Thread Gages

Used for checking API internal & external thread.
Conform to: API 5B.
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\"