150KNm Rated Torque Drill Rig Kelly Bar Mechanical Locking Type
Multilocking Kelly Bar
Combined type kelly bar is a kind of combination drill, which is formed by mechanical locking type, full interlocking type, frictional type and other various forms. There are a variety of combinations.
Generally speaking, the kelly bar may drill the hard layer in the range of 0-50 meters. It can be used for construction of soft layer formation when the hole depth is in the range of 50-70 meters. According to the need of the configure or the operating condition, the drill pipe chooses the way of transmission of pressure. Such as ,the first section of the mechanical locking kelly bar. According to the machine-locking driving force set, and other are full interlocking kelly bar. In order to achieve a certain depth of drilling and enhance the effect of drilling hard layer, it can be chosen the full interlocking or mechanical locking kelly bar outside and inner is resistance kelly bar, comprehensive situations for difference kelly bar specifications.
| Model | Outer diameter
(mm) | Layers*Lengthof
each section | Drilling depth
(m) | Rated torque
(KNm) |
| APFFLKB12φ340-4x13 | φ340 | 3*13 | 36 | 120 |
| APFFLKB12φ356-3x13 | φ356 | 3*13 | 36 | 120 |
| APFFLKB15φ377-4x14 | φ377 | 4*14 | 52 | 150 |
| APFFLKB22φ394-3x13 | φ394 | 3*13 | 36 | 220 |
| APFFLKB20φ406-4x14 | φ406 | 4*14 | 52 | 200 |
| APFFLKB25φ419-4x15 | φ419 | 4*15 | 56 | 250 |
| APFFLKB25φ445-4x15 | φ445 | 4*15 | 56 | 250 |
| APFFLKB25φ470-4x15 | φ470 | 4*15 | 56 | 250 |
| APFFLKB28φ508-5x15 | φ508 | 5*15 | 70 | 280 |
| APFFLKB28φ508-4x15 | φ508 | 4*15 | 56 | 280 |
| APFFLKB30p530-5x17 | φ530 | 5*17 | 63 | 300 |
| APFFLKB40φ580-6x17 | φ580 | 6*17 | 63 | 400 |
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Combined Interlocking Kelly Bar 52m Drilling Depth Images
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