

| Sinker Drill Model # | MTS 571 Pneumatic Rock Drill | |
| Weight | 18kg | 39 lb |
| Length | 510 mm | 20" |
| Hole Range | 28mm -34mm | 1.10"-1.33" |
| Hole Depth | 6 meters | 19.6ft |
| Air Pressure | 6 bar | 87 psi |
| Air Consumption | 39 l/s | 83 cfm |
| Blow per minute | 2100 | |
| Revolution | 190 rpm | |
| Piston dia | 55 mm | 2.16" |
| Piston stroke | 60 mm | 2.36" |
| Air inlet(BSP) | 19mm | 3/4" |
| Shank size-8311030186 | 22x108 mm | 7/8" x 4ΒΌ" |