| After-sales Service: | Yes |
|---|---|
| Warranty: | 1 Year |
| Manufacturing Process: | Casting |
| Surface Treatment: | Spray-Paint |
| Material: | Alloy |
| Transport Package: | Bulk |
| Samples: |
|---|
| Customization: |
|---|
Suppliers with verified business licenses
Audited Supplier Sinker bars provide extra weight on the rod string to help keep the rod string straight, and in tension. If no sinker bars are present on the bottom of the rod string in deep, deviated, or big bore pumps, the rods will buckle, bend, and go into compression, causing rod parting and pump failure. sinker bars can Increase production by keeping the rods in tension and making the total rod stretch decrease, which allows the pump to be more efficient.
Our sinker bars are manufactured from special quality hot rolled carbon manganese steel. Sinker bar dimensions and tolerances confirm to API Spec. 11B latest edition and AISI steel products manual. Sinker bar has a reduced on one end for elevator seating and lifting. Pin lank are machined and dimensions gauged. Pin threads are cold-formed to strengthen the thread from fatigue. An inhibitor is applied to each pin and thread protector installed. An oil soluble coating protects sinker bars from atmospheric corrosion in storage. Sinker bars are bundle to prevent handling damage during transportation.
| Specifications (in) |
Diameter of rod (mm) |
nominal diameter of the thread (in) |
specifications of connecting sucker rod (in) |
| 1-1/4 | 31.75 | 15/16 | 5/8 |
| 1-3/8 | 34.93 | ||
| 1-1/2 | 38.10 | 1-1/16 | 3/4 |
| 1-5/8 | 41.28 | 1-3/16 | 7/8 |
Suppliers with verified business licenses
Audited Supplier 
){kind=link}
){kind=link}