API 5B thread Gauges: Used for gaging API internal or external thread. Conform to: API 5B. CSG,LCSG,LP,BCSG,TBG,UPTBG,NC..

API Thread Gauges: Used for gaging API internal and external threads.

API 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"

All gages are produced in Drake thread grinding machine, and checked by B&S CMM and master gages.

Any further detail please contact us, we will response you at the first time!

API 5B Thread Gauges