| After-sales Service: | 1 Years |
|---|---|
| Warranty: | 1 Years |
| Manufacturing Process: | CNC Milling |
| Surface Treatment: | Spray-Paint |
| Operation Pressure: | Atmospheric Pressure |
| Material: | Alloy |
| Samples: |
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| Customization: |
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Suppliers with verified business licenses
Audited Supplier Roller Kelly Bushings can be classified as two types based on different ways of drive, square drive and pin drive. Also they can be classified as three types based on different style, heavy, medium and light-duty. They are used for 17 1/2 to 49 1/2inch rotary tables. They are designed and manufactured according to API Spec 7K.
| Model | Type | Drive way | applicable size of kelly(in) | |
| Square | Hex | |||
| HDS | Heavy duty | Square drive | 21/2-6 |
3-6 |
| 27-HDP | Pin drive | 21/2-6 |
3-6 | |
| 20-HDP | 21/2-6 |
3-6 | ||
| RTM4 | Medium duty | Square drive | 21/2-51/4 |
3-41/4 |
| RTS4 | Light duty | 21/2-41/4 |
3-41/4 | |
Suppliers with verified business licenses
Audited Supplier 
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