Product Details
Oil casing coupling
Size: 4-1/2\"-20\"
Standard: API 5CT & API 5B
Grade: J55, K55, L80, C90, C95, N80,T95, P110, Q125
Type: LTC, STC, BTC, Premium connection
Packing: wooden case, wooden pallet, or by requirements of customers
Payment: L/C, T/T