Sucker rod in Oil field/API 11B oil and gas Sucker rod/Petroleum sucker rod drill rod for Drilling Tools

-Hollow/Solid Sucker Rod

-Sinker bar (Heavy Weight Sucker Rod)

-Polish Rod

-Surface Anti-Corrosive Sucker Rod

-Grade : Grade K, D, KD etc.

-Couplings:

   ----Standard class T coupling: 5/8”; 3/4”; 7/8”; 1”; 1 1/8”.

   ----Class T slim hole coupling: 5/8”SH; 3/4”SH; 7/8”SH; 1”SH; 1 1/8”SH.

   ----Class SM coupling: 5/8”; 3/4”; 7/8”; 1”;

   ----Sub-Coupling: 5/8”×3/4”;  3/4”×7/8”;  7/8”×1”;  1”×1 1/8”.