Atlas Copco BBC 34-DSI

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Features

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.

Specifications

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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