Api Best Sell Pup Joint

1. ZX offer two types of connection: NUE & EUE,color coded acording to class and tensile strength, and manufactured according to API Spec 5CT.

2.We carry size range of2-3/8”, 2-7/8″, 3-1/2″,4″ and 4-1/2″ in J55, K55, N80,L80, P110 grade. All of our couplings meet the API Specifications 5CT/5B.

3.The thread is cut by the special-purpose numerical control lathe. The special process could ensure the high precision of the thread with better reliability and life-span.