Stoper

  • STOPER DRILL MODEL 260B

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    Stoper Parts Poster

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  • 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
    Air consumption (90 psi) 170.0 cfm 4.9 cubic meters
    Steel size (standard) 7/8″ x 4 1/4″ 22mm x 108mm
  • OPTIONS

    Exhaust
    Standard Integral steel muffler
    Steel Change
    610mm/24″ 457mm/18″ 305mm/12″
    Feeds
    762mm/30″ 610mm/24″ 457mm/18″
    Fronthead
    Collared Steel retainer Anvil block
    Feedleg
    Standard Corrosion-resistant
    Lubricator
    CANUN UN125
    Water Shutoff Valve
    CANUN 95101
    Shop Repair Tools
    Telescopic Feedleg