SK470 Series Kelly bar
470-3 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) | ||||||
| JS470-3×13 | 14330 | 14500 | 13050 | 37500 | 7100 | 9300 | 460 | 320 |
| JS470-3×14 | 15330 | 15500 | 14050 | 40500 | 40100 | 9900 | 460 | 320 |
| MZ470-3X13 | 14330 | 14500 | 13050 | 37600 | / | 9200 | 460 | / |
| MZ470-3×14 | 15330 | 15500 | 14050 | 40600 | / | 9700 | 460 | / |
470-4 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) | ||||||
| JS470-4×15 | 16320 | 16490 | 15050 | 57010 | 56510 | 12750 | 420 | 290 |
| JS470-4×18 | 19320 | 19490 | 18050 | 69010 | 68510 | 15100 | 420 | 290 |
| MZ470-4×12 | 13320 | 13490 | 12050 | 45290 | / | 10300 | 420 | / |
| MZ470-4X14 | 15320 | 15490 | 14050 | 53290 | / | 11850 | 420 | / |
470-5 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) | ||||||
| MZ470-5X13 | 14330 | 14500 | 13050 | 61425 | / | 10300 | 280 | / |
| MZ470-5X15 | 16330 | 16500 | 15050 | 71425 | / | 11650 | 280 | / |
※Other lengths and other drive stub dimensions on request; Weight tolerance ±5%.
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