SK820 Series Kelly bar
820-4 Series Kelly bar
| Kelly bar type | A （mm) |
B （mm) |
D （mm) |
C （mm) |
C1 （mm) |
Theoretical weight | Rated torque | Rated pressure |
| (kg) | (kNm) | (kN) | ||||||
| JS820-4×25 | 26655 | 26950 | 25050 | 94460 | 93660 | 47300 | 1400 | 980 |
| JS820-4×27.5 | 29155 | 29450 | 27550 | 104460 | 103660 | 51300 | 1400 | 980 |
| MZ820-4X24 | 25695 | 25950 | 24050 | 90840 | / | 45400 | 1400 | / |
| MZ820-4X25 | 26655 | 26950 | 25050 | 94840 | / | 46950 | 1400 | / |
820-5 Series Kelly bar
| Kelly bar type | A （mm) |
B （mm) |
D （mm) |
C （mm) |
C1 （mm) |
Theoretical weight | Rated torque | Rated pressure |
| (kg) | (kNm) | (kN) | ||||||
| JS820-5×28 | 29655 | 29950 | 28050 | 131860 | 130860 | 55500 | 1100 | 770 |
| JS820-5X30 | 31655 | 31950 | 30050 | 141860 | 140860 | 59300 | 1100 | 770 |
| MZ820-5X29 | 30655 | 30950 | 29050 | 137440 | / | 52700 | 1100 | / |
| MZ820-5X30 | 31655 | 31950 | 30050 | 142440 | / | 56500 | 1100 | / |
820-6 Series Kelly bar
| Kelly bar type | A （mm) |
B （mm) |
D （mm) |
C （mm) |
C1 （mm) |
Theoretical weight | Rated torque | Rated pressure |
| (kg) | (kNm) | (kN) | ||||||
| MZ820-6X27 | 28655 | 28950 | 27050 | 152740 | / | 54500 | 800 | / |
| MZ820-6X28 | 29655 | 29950 | 28050 | 158740 | / | 56500 | 800 | / |
| MZ820-6X29 | 30655 | 30950 | 29050 | 164740 | / | 58500 | 800 | / |
| MZ820-6X30 | 31655 | 31950 | 30050 | 170740 | / | 60500 | 800 | / |
※Other lengths and other drive stub dimensions on request; Weight tolerance ±5%.
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