SK406 Series Kelly bar
406-3 Series Kelly bar
| Kelly bar type | A | B | D | C | C1 | Theoretical weight | Rated torque | Rated pressure |
| （mm) | （mm) | （mm) | （mm) | （mm) | (kg) | (kNm) | (kN) | |
| JS406-3×10 | 11170 | 11340 | 10050 | 28695 | 28295 | 5950 | 300 | 210 |
| JS406-3×14.5 | 15670 | 15840 | 14550 | 42195 | 41795 | 8100 | 300 | 210 |
| MZ406-3X10 | 11170 | 11340 | 10050 | 28795 | / | 5800 | 300 | / |
| MZ406-3X14.5 | 15670 | 15840 | 14550 | 42295 | / | 7950 | 300 | / |
406-4 Series Kelly bar
| Kelly bar type | A | B | D | C | C1 | Theoretical weight | Rated torque | Rated pressure |
| （mm) | （mm) | （mm) | （mm) | （mm) | (kg) | (kNm) | (kN) | |
| JS406-4×11 | 12250 | 12420 | 11050 | 41420 | 40920 | 6950 | 250 | 180 |
| JS406-4X14.5 | 15750 | 15920 | 14550 | 55420 | 54920 | 8800 | 250 | 180 |
| MZ406-4X11 | 12250 | 12420 | 11050 | 41540 | / | 6750 | 250 | / |
| MZ406-4X14.5 | 15750 | 15920 | 14550 | 55540 | / | 8600 | 250 | / |
406-5 Series Kelly bar
| Kelly bar type | A | B | D | C | C1 | Theoretical weight | Rated torque | Rated pressure |
| （mm) | （mm) | （mm) | （mm) | （mm) | (kg) | (kNm) | (kN) | |
| MZ406-5X13.5 | 14760 | 14930 | 13550 | 64430 | / | 8500 | 180 | / |
| MZ406-5X15.5 | 16760 | 16930 | 15550 | 74430 | / | 9600 | 180 | / |
※Other lengths and other drive stub dimensions on request; Weight tolerance ±5%.
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