Rama Mining Tools (RMT) manufactures Pneumatic Drifters RMT 120F, which is mounted on various rigs like Long Hole Drill Machine (Simba Junior), Crawler Drills, and Wagon Drill. It has a rifle-bar actuated rotation motor with eight pawls (four for each direction) that engage or disengage. The speciality of this drifter is that it can be easily converted from water flushing to air flushing. Used mainly in underground mines, ground hole or surface mining, construction applications, as well as drilling and tunneling.
| Model # | RMT 120F | |
| Weight | 70 kg | 154 lb |
| Length | 780 mm | 31" |
| Air pressure | 6 - 7 bar | 90 - 105 psi |
| Air consumption | 167 l/s | 354 cfm |
| Piston diameter | 120 mm | 4.7" |
| Piston stroke | 65 mm | 2.5" |
| Hole dia (option 1) | 48 - 57 mm | 2 - 2.24" |
| Hole depth (option 1) | 25 metres | 82 ft |
| Hole dia (option 2) | 64 - 75 mm | 2.5 - 3" |
| Hole depth (option 2) | 15 metres | 49 ft |
| Impact rate | 35 Hz | |
| Impact power (max) | 7.2 kw | |
| Rotation speed | 210 rpm | |
| Air flushing | 45 liters /min | 1.5 cfm |
| Water flushing | 58 liters / min | 10 gal / min |
| Maximum torque | 665 lb force ft | 900 nm |
| Drill steel | R32, R38, T38 | |
| Hose size | Air 57 mm | Water 19 mm | Air 1.5 | Water 0.75" |
| Manufacturer | RMT | |
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