250 Sinker Drill
The new 250 drills have larger mating faces between major cylinder components for reduced air leakage and longer wearing life.
- All internal parts in 250 Stopers are also used in 250 Jacklegs, Sinkers and Quarry drills
- High penetration, and strong torque
- Convenient operating controls, with push-button leg retraction and adjustable motorcycle control feed
- Positive lubrication with good front end blow
- Larger mating faces between major cylinder components for longer life and less wear
- Improved pusher leg is available with a stainless steel piston rod to prevent corrosion and pitting
- Available with a three-inch stainless steel leg cylinder for increased push and penetration in hard ground
- New style steel puller for collared steel available. Uses rock drill oil or grease
