

| Sinker Drill Model # | MTS 658 Pneumatic Rock Drill | |
| Weight | 24 kg | 53 lb |
| Length | 565 mm | 22.2" |
| Hole Range | 27mm -40mm | 1.06"-1.57" |
| Hole Depth | 6 meters | 19.6ft |
| Air Pressure | 6 bar | 87 psi |
| Air Consumption | 58l/s | 123 cfm |
| Blow per minute | 2040 | |
| Revolution | 215rpm | |
| Piston dia | 65 mm | 2.56" |
| Piston stroke | 59 mm | 2.32" |
| Air inlet(BSP) | 19mm | 3/4" |
| Shank size-8311030186 | 22x108 mm | 7/8" x 4ΒΌ" |