After-sales Service: | Online Service |
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Warranty: | 12 Months |
Manufacturing Process: | Casting |
Surface Treatment: | Spray-Paint |
Operation Pressure: | Not Applicable |
Material: | Cast Steel |
Customization: |
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Roller Kelly Bushings can be classed as two types based on different ways of drive, square drive and pin drive. Also they can be classed 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.
1. API certified products all parts traceable
2. Deviled into two types Square and pin drive,Also Heavy, medium, and light-weight type available
3. National best quality assured.
4. Single structure easy to operation
Model | Type | Drive way | applicable size of kelly(in) | |
Square | Hex | |||
HDS | Heavy duty | Square drive | 2 1/2"-6" | 3"-6" |
27-HDP | Pin drive | 2 1/2"-6" | 3"-6" | |
20-HDP | 3"-6" | |||
RTM4 | Medium duty | Square drive | 3"-4 1/4" | |
2 1/2"-5 1/4" | ||||
RTS4 | Light duty | 3"-4 1/4" | ||
2 1/2"-4 1/4" | ||||
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