Atlas Copco BBC 34 WS-8

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