Standard Reference: API spec 5CT
Size: From 2 3/8" to 4-1/2''
Grade: J55, K55, N80-1, N80-Q, L80, P110 N80
Type: NU, EU
Thread Type: Tubing round thread. Dimensions and their tolerances of tubing round-thread as per API spec 5B
Surface treatment: Coating
Protection of Thread: Thread protector
Packing: By wooden case, wooden pallet, or by the requirements of customers