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BBD 46WS-8: Stoper for soft to medium hard rock

8311 0202 11

Atlas Copco Stopers are all-steel rock drills designed for production drilling, raise driving and roof bolting. They have a ratchet wheel rotationand and a short piston stroke for good penetration rates in soft and medium hard rock. Air blowing through the chuck when drilling, cleans the rotation chuck and lubricates the drill steel shank. The WR version has clockwise rotation and can be used for tightening or installing screen on threaded roof bolts.


Features & benefits

  • High quality, designed for production drilling
  • Clock wise rotation for bolting (BBD 46 WR)

Applications

  • Raise driving
  • Bolting
  • Screening

Technical data

Technical Specifications
Rock drill typeUnderground rock drill
Rock drill versionStandard4
Weight88 lb
Length retracted64 15/16 inch
Length extracted103 1/8 inch
Air consumption191 cfm
Impact Rate3000 blows/min
Piston diameter2 15/16 inch
Stroke length1 3/4 inch
Hole diameter1 - 1.6 inch
Vibration level 3 axes (ISO 5349-2)*10 m/s²
Sound power level guaranteed124 dB(A)
Sound pressure level*121 dB(A)
Shank Size (mm)22x108
Shank Size (inch)7/8x4 1/4

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