Atlas Copco BBC 34 WS-8

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When you do

Production drilling, raise driving and bolting in soft to medium hard rock.


The stoper provides short stroke with good penetration rates. The large piston diameter gives high efficiency even at low air pressure.


Front flushing of drill steel to keep water and cuttings out from the drill


Technical details  
Rock drill type Underground rock drill
Hole range 27 mm - 41 mm 1 inch - 1.6 inch
Weight 45 kg 99.2 lb
Length retracted 1,810 mm 71.3 inch
Length extracted 2,780 mm 109.4 inch
Air consumption 125 l/s 264.9 cfm
Impact rate 2,340 blows/min
Piston diameter 80 mm 3.15 inch
Stroke length 70 mm 2.76 inch
Vibration and sound  
Vibration level 3 axes (ISO 20643) 30.5 m/s²
Sound power level guaranteed (2000/14/EC) 129 dB(A)
Sound pressure level (ISO 11203) 118 Lp. dB(A)
Available shank size  
Shank size: Hex 22x108 mm - 7⁄8 x 41⁄4 inch
Part numbers  
Hex 22x108 - ⅞ x 4 ¼ inch 8311 0104 04

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