Home > Products > Sub couplings

Sub couplings

  • API 5CT Casing Couplings

    Contact Now API 5CT Casing CouplingsIntroduction of casing coupling The coupling is connector of casing Thread type: STC, LTC, BTC Specification: 4-1/2”, 5-1/2”, 6-5/8”, 7”, 9-5/8”, 13-3/8” Grade: K55, J55, N80, L80, P110 Property of material

  • API 5CT Tubing Couplings

    Contact Now API 5CT Tubing CouplingsIntroduction of tubing coupling The coupling is connector of tubing Thread type: EUE, NUE Specification: 2-3/8”, 2-7/8”, 3-1/2”, 4”, 4-1/2” Grade: K55, J55, N80, L80, P110 Property of material

  • API 11B Sucker Rod Couplings

    Contact Now API 11B Sucker Rod CouplingsSucker rod coupling Type: Full size coupling, Slime hole coupling, Sub-coupling Specification: 5/8”, 3/4”, 7/8”, 1”, 1-1/8” Grade: T, SM

We're Here to Help

  • +86-022-25948296
      +86-15202278940

    wetoo_002@126.com,sorighttech@gmail.com

      sorightpeggy@gmail.com,panpans0905@126.com 

      Dagang Oilfield,Tianjin,China

News letter

Enter in your email address to receive deals
and coupons.
Bookmark us today!