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Atlas Copco Stopers are all-steel rock drills designed for production drilling, raise driving and roof bolting. They have a ratchet wheel rotation and 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.


Atlas Copco
Model Year
BBD 46WS-8
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64-15/16 in. retracted
103-1/8 in. extended
1-3/4 in. stroke
88 lbs.


Tool Diameter
2-15/16 in.
1 - 1.6 in. hole
Tool Air Consumption
191 cfm
Tool Percussion Rate
3,000 bpm

Standard Features

 Suitable for production drilling, raise driving and bolting in soft to medium hard rock  
 Short stroke, good penetration rates  
 Large piston diameter gives high efficiency even at low air pressure  
 Ratchet wheel rotation mechanism  
 WR version with clockwise rotation for tightening nuts and roof bolting  

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*Price, if shown, is Manufacturer's Suggested Retail Price (MSRP) and does not include government fees, taxes, dealer freight/preparation, dealer document preparation charges or any finance charges (if applicable). MSRP and/or final actual sales price will vary depending on options or accessories selected.

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