Atlas Copco BBD 46 WR-8

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

Falcon for softer rocks

The BBD 46WS/WR – Falcon provides a high impact rate for good performance in soft to medium rock.

When you do

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


Technical details  
Rock drill type Underground rock drill
Hole range 27 mm - 41 mm 1 inch - 1.6 inch
Weight 40 kg 88.2 lb
Length retracted 1,650 mm 65 inch
Length extracted 2,620 mm 103.2 inch
Air consumption 75 l/s 159 cfm
Impact rate 3,000 blows/min
Piston diameter 75 mm 3 inch
Stroke length 45 mm 1.77 inch
Vibration and sound  
Vibration level 3 axes (ISO 20643) 10 m/s²
Sound power level guaranteed (2000/14/EC) 124 dB(A)
Sound pressure level (ISO 11203) 121 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 0202 37

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