CANUN 260B sinker drills for drilling downwards are primarily used in shaft sinking and construction applications.
- High penetration rate
- Spring loaded handles for vibration dampening
- Convenient operating controls
- Automatic water pressure regulation
- Air operated stainless steel water valve
- Positive lubrication and front-end blow
- Parts interchangeability with CANUN 260B Jackleg, Stoper & Quarry Drills
SPECIFICATIONS | US / IMP | METRIC |
---|---|---|
Cylinder diameter | 3.125″ | 79.4mm |
Piston stroke | 2.875″ | 73.25mm |
Piston working stroke | 2.625″ | 66.7mm |
Impact frequency | 2250.0bpm | 2250.0bpm |
Drill length | 27.0″ | 686.0mm |
Weight of drill | 70.55lbs | 32.0kg |
Air consumption (90 psi) | 170.0 cfm | 4.9 cubic meters |
Steel size (standard) | 7/8″ x 4 1/4″ | 22mm x 108mm |