Atlas Copco BBC 34-DSI

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Harder stuff

The BBC 34-DSI is highly efficient in medium to
hard rock.

Cut noise

The silencer can reduce the noise by up to 5 dB(A), which is perceived as a 50 percent improvement of noise levels to the human ear.

Rotation that lasts

The powerful rifle bar rotation mechanism is dimensioned to handle industrial demands.


Technical details  
Rock drill type RIG-mounted rock drill
Hole range 27 mm - 41 mm 1 inch - 1.6 inch
Weight 31 kg 68.3 lb
Length 774 mm 30.5 inch
Air consumption 88 l/s 186 cfm
Impact rate 2,280 blows/min
Piston diameter 80 mm 3.15 inch
Stroke length 70 mm 2.76 inch
Vibration and sound  
Vibration level 3 axes (ISO 5349-2) 20.4 m/s²
Sound power level guaranteed (2000/14/EC) 120 Lw. dB(A)
Sound pressure level (ISO 11203) 109 Lp. dB(A)
Available shank sizes  
Shank size: Hex 22x108 mm - 7⁄8 x 41⁄4 inch
Part numbers  
Hex 22x108 - ⅞ x 4 ¼ inch 8311 0408 06

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