API Buttress Coupling for K55 Casing BTC 20" 94ppf
OCTG Casing Available in 4 ½" OD thru 13 3/8" OD till to 20" Casing Coupling
Tianjin forwell's coupling comply with API 5B Specification for Threading,Gauging and Thread Inspection of Casing,Tubing and Line Pipe Threads.Contact:Skype ID:Kaden shi
End Finish:
T&C-API Short couplings
T&C-API Long couplings
T&C-API Buttress couplings
T&C-Special Clearance couplings API Long & Short
T&C-Special Clearance couplings API Buttress
