30T/40T/50T Kelly Joints Of Multiple Brands Of Rotary Drilling Rigs
Standard Dimension | ||||||||
Model | D1 | D2 | D3 | A | B | L1 |
Bearing No. | KN Pull Power |
JT20 | ¢120 | ¢40 | ¢40 | 43 | 43 | 460 | 3 | 15-25T |
JT25 | ¢150 | ¢50 | ¢50 | 57 | 57 | 610 | 4 | 20-30T |
JT30 | ¢170 | ¢55 | ¢55 | 57 | 57 | 640 | 4 | 25-35T |
JT40 | ¢200 | ¢60¢80 | ¢60¢80 | 67 | 67 | 780 | 5 | 35-45T |
JT50 | ¢220 | ¢80 | ¢80 | 73 | 83 | 930 | 6 | 45-55T |
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