The thread taper is 1/16. Patented design can be switch to international commonly used premium thread type (VAM, NEW-VAM etc.) without interference and strictly evaluated according to API by test.[more]
The OEM extended tubing coupling has API standard thread with same parameter in thread taper, pitch and height. The length is longer than API standard according to customer requirements.[more]
The OEM extended tubing coupling has API standard thread with same parameter in thread taper, pitch and height. The length is longer than API standard according to customer requirements.[more]
The OEM extended tubing coupling has API standard thread with same parameter in thread taper, pitch and height. The length is longer than API standard according to customer requirements.[more]
The OEM extended tubing coupling has API standard thread with same parameter in thread taper, pitch and height. The length is longer than API standard according to customer requirements.[more]