Name: API 5CT 9-5/8 BTC N80 GRADE CASING COUPLING 1.Grade:J55, K55, N80-1, N80-Q, L80, C90, P110 2.We also supply permium thread products by customer's request 3.Size: tubing coupling from 1.9" to 4-1/2", 4.Type: NU, EU, NUE, EUE, TBG, UPTBG, non-upset, external-upset(tubing coupling) 5.Surface treatment: Whole phosphating, or inside phosphating and outside coating 6.Packing: By carton, wooden case, wooden pallet, or by requirements of customers
