MJ250 Jackleg Drill
The MJ250 Jackleg Drill enables miners to drill in confined spaces at challenging orientations while delivering high penetration rate and strong torque even on low air pressure. This boosts productivity and increases the life of the drill while also providing safety to the operator. The jackleg has an operating controller which is able to retract the pusher leg.
The pusher leg has large surface areas of contact between major cylinder components reduce impact pressure thus increasing product life while giving consistently powerful results. The pusher leg also comes with an option of a stainless steel piston rod to prevent corrosion and pitting and enhance the life of the pusher leg. They also come with a locking retainer for collared steel standard.
Options
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Ordering Part No.
Ordering Part No.
| Part No. | Chuck Size | Air Connection |
|---|---|---|
| 5111 137 000 2225 | 22 mm x 108 mm | 25 mm (1”) |
| 5111 137 000 2525 | 25 mm x 108 mm | 25 mm (1”) |
Technical Specifications:
| Weight : | 36 kg |
| Bore Diameter : | 80 mm |
| Stroke Length : | 73 mm |
| Impact Rate : | 2200 BPM |
| Air Consumption : | 73 l/s |
| Air Supply Hose ID: | 25 mm |
| Water Supply Hose ID: | 13 mm |
Key Features
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| Weight : | 34.3 kg |
| Air consumption @6 Bar : | 83 l/s |
| Stroke length : | 67.7 mm |
| Air Hose Connection : | 25 mm |
| Impact rate : | 2300 BPM |
MJ250
| Weight : | 32.4 kg |
| Length without Leg : | 688 mm |
| Piston diameter : | 76 mm |
| Water Connection : | 13 mm |
| Impact rate : | 2256 BPM |
MJ83
| Chuck Size : | 22×108 mm |
| Piston diameter : | 79.4 mm |
| Stroke length : | 67.7 mm |
| Water Connection : | 13 mm |
| Impact rate : | 2300 BPM |
MS250
| Weight : | 22.6 kg |
| Stroke : | 55 mm |
| Length incl.: | 730 mm |
| Air Consumption : | 116.5 @ 500 kPA |
| Impact Rate : | 2175 @ 500 kPA |
S215
| Weight : | 31 kg |
| Stroke : | 70 mm |
| Length incl.: | 760 mm |
| Air Consumption : | 145 @ 500 kPA |
| Impact Rate : | 2000 @ 500 kPA |
S25
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Rock Drills