SK630 Series Kelly bar
630-3 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) | ||||||
| JS630-3×18 | 19460 | 19660 | 18050 | 51570 | 51070 | 19900 | 700 | 490 |
| JS630-3×22 | 23460 | 23660 | 22050 | 63570 | 63070 | 24300 | 700 | 490 |
| MZ630-3×20 | 21460 | 21660 | 20050 | 57700 | / | 21700 | 700 | / |
| MZ630-3×21 | 22460 | 22660 | 21050 | 60700 | / | 22800 | 700 | / |
630-4 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) | ||||||
| JS630-4×22 | 23390 | 23600 | 22050 | 83785 | 83285 | 28500 | 600 | 420 |
| JS630-4×24 | 25390 | 25600 | 24050 | 91785 | 91285 | 30350 | 600 | 420 |
| MZ630-4×20 | 21390 | 21600 | 20050 | 76065 | / | 24700 | 600 | / |
| MZ630-4×21 | 22390 | 22600 | 21050 | 80065 | / | 25800 | 600 | / |
630-5 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) | ||||||
| JS630-5×18 | 19390 | 19600 | 18050 | 83955 | 83355 | 24900 | 550 | 390 |
| JS630-5×24 | 25390 | 25600 | 24050 | 113955 | 113355 | 32400 | 550 | 390 |
| MZ630-5×20 | 21390 | 21600 | 20050 | 94385 | / | 26300 | 550 | / |
| MZ630-5×21 | 22390 | 22600 | 21050 | 99385 | / | 27500 | 550 | / |
630-6 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) | ||||||
| MZ630-6×18 | 19390 | 19600 | 18050 | 101585 | / | 23500 | 420 | / |
| MZ630-6×19 | 20390 | 20600 | 19050 | 107585 | / | 24700 | 420 | / |
| MZ630-6×20 | 21390 | 21600 | 20050 | 113585 | / | 25800 | 420 | / |
| MZ630-6×22 | 23390 | 23600 | 22050 | 125585 | / | 28150 | 420 | / |
※Other lengths and other drive stub dimensions on request; Weight tolerance ±5%.
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