STOPER FEATURES
High penetration rate
High torque
Convenient operating controls
Adjustable feed control to feed leg
Automatic water pressure regulation
Air operated stainless steel water valve
Positive lubrication and front-end blow
Parts interchangeability with CANUN
260B Jackleg, Sinker & 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 | 61.0″ | 1549.0mm |
Weight of drill including airleg | 90.0lbs | 40.8kg |
Air bore diameter | 2.75″ | 69.8mm |