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