Atlas Copco BBD 94 WS

The slim polyurethane silencer cuts noise by up to 50 percent. And it’s designed to stay out of sight.

High performance rock drill for soft to hard rock

With the pusher leg control placed in back head of the rock drill, they are easy to reach.

Technical details
Rock drill type	Underground rock drill
Hole range	27 mm - 41 mm 1 inch - 1.6 inch
Weight	27 kg 59.5 lb
Length	670 mm 26.4 inch
Air consumption	97 l/s 206 cfm
Impact rate	3,300 blows/min
Piston diameter	90 mm 3.54 inch
Stroke length	45 mm 1.77 inch
Vibration and sound
Vibration level 3 axes (ISO 5349-2)	15 m/s²
Sound power level guaranteed (2000/14/EC)	125 Lw. dB(A)
Sound pressure level (ISO 11203)	114 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 0206 12