china manufacturer of sucker rod coupling
USD $1.31 - $2.45 /Piece
Min.Order:200 Pieces
Baotou Liande Oil And Mechanical Co., Ltd.
Sucker rod couplings ,Sub-couplings and Polished rod connections
Our Advantages:
1 API Certificate
2 R&D Ability
3 100% Inspection
4 0 Defect
5 Five years' exporting experience
Technical Parameters
Full Size Coupling
Size(in) | Coupling O.D W(mm) (+0.13,-0.25) | Length L(mm) (+1.57,-0.00) | Thread D.(in) | Length of Wrench Square (mm) | Hardness(HRA) |
5/8" | 38.10 | 101.6 | 15/16" | 31.8 | 56-62 |
3/4" | 41.28 | 1-1/16" | |||
7/8" | 46.00 | 1-3/16" | |||
1" | 55.60 | 1-3/8" | 38.1 | ||
1-1/8" | 60.33 | 114.3 | 1-9/16" |
Slim Hole Coupling
Size(in) | Coupling O.D W(mm) (+0.13,-0.25) | Length L(mm) (+1.57,-0.00) | Thread D.(in) | Length of Wrench Square (mm) | Hardness(HRA) |
5/8" | 31.75 | 101.6 | 15/16" | 31.8 | 56-62 |
3/4" | 38.10 | 1-1/16" | |||
7/8" | 41.30 | 1-3/16" | |||
1" | 50.80 | 1-3/8" | 38.1 |
Full Size Sub-coupling
Size(in) | Coupling O.D W(mm) (+0.13,-0.25) | Length L(mm) (+1.57,-0.00) | Small End Thread D. | Big End Thread D. | Hardness(HRA) |
5/8"-3/4" | 41.28 | 101.6 | 15/16" | 1-1/16" | 56-62 |
3/4"-7/8" | 46.00 | 1-1/16" | 1-3/16" | ||
7/8"-1" | 55.60 | 114.3 | 1-3/16" | 1-3/8" | |
1"-1-1/8" | 60.33 | 127.0 | 1-3/8" | 1-9/16" |
Slim Hole Sub-coupling
Size(in) | Coupling O.D W(mm) (+0.13,-0.25) | Length L(mm) (+1.57,-0.00) | Small End Thread D. | Big End Thread D. | Hardness(HRA) |
5/8"-3/4" | 38.10 | 101.6 | 15/16" | 1-1/16" | 56-62 |
3/4"-7/8" | 41.30 | 1-1/16" | 1-3/16" | ||
7/8"-1" | 50.80 | 114.3 | 1-3/16" | 1-3/8" |
Full Size Polished Connection
Size(in) | Coupling O.D W(mm) (+0.13,-0.25) | Length L(mm) (+1.57,-0.00) | Thread D.(in) | Vanish Cone | Hardness(HRA) |
5/8" | 38.10 | 101.6 | 15/16" | 9O | 56-62 |
3/4" | 41.28 | 1-1/16" | |||
7/8" | 46.00 | 1-3/16" | |||
1" | 55.60 | 1-3/8" | |||
1-1/8" | 60.33 | 114.3 | 1-9/16" |
Slim Hole Polished Connection
Size(in) | Coupling O.D W(mm) (+0.13,-0.25) | Length L(mm) (+1.57,-0.00) | Thread D.(in) | Vanish Cone | Hardness(HRA) |
5/8" | 31.75 | 101.6 | 15/16" | 9O | 56-62 |
3/4" | 38.10 | 1-1/16" | |||
7/8" | 41.30 | 1-3/16" | |||
1" | 50.80 | 1-3/8" |
Coupling Mechanical Properties
Tensile Strength Rm(Mpa) | Yield Strength Rel(Mpa) | Elongation Percentage A(%) | Reduction Percentage of Area Z(%) |
≥655 | ≥405 | ≥16 | ≥48 |
Manufacturing Workshop of coupling
sucker rod coupling
Packaged into box
We are willing to cooperate with customers from places and countries all over the world, and it will be appreciated if you can provide us with precious suggestions.