1 1 8 graded coupling sucker rod

...Sucker Rod Coupling SM SH FS Coupling Product Description Product Specifications: Two different grades of Sucker Rod Couplings are available: T and SM. The manufacturing process of both the grades is the same with cold worked pre-stressed, roll-formed threads with the anti-galling coating. This process results in stronger/fatigue resistant threads. The manufacturing inspection, the dimensions and the tolerances of the couplings...

Spray Metal Full Size Slim Hole Sucker Rod Coupling, Sub Couplings & Polished Rod Coupling Spray Metal Full Size Slim Hole Sucker Rod Coupling, Sub Couplings & Polished Rod Coupling Description of sucker rod coupling: Sucker rod couplings are used for ......

...Sucker Rod Polish Rod for Oil and Gas Product Overview Sucker rods and couplings are manufactured in accordance with API 11B. We can supply sucker rods as follows: Grade: C, D, K, KD, H; Size (in,): 5/8 (16 mm), 3/4?(19 mm), 7/8 (22 mm) , 1 (25 mm), 1-1/8 (28 mm). The pony sucker rods and conventional/slim hole couplings with various sizes are available as well. We can also provide conventional API sucker rods......