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Highly efficient in medium to hard rock

Drill deep

Large piston diameter makes it very efficient even at low air pressure

Easy reach

Pusher leg control placed in back head of the rock drill

Medium range

Our water flushed, pusher leg mounted rock drills are designed for driving drifts and tunnels with a small cross section. They are intended for use for hole diameter range of 27 to 41 mm (1-1 5/8 in) with Hex 22 (7/8”) rotation shank as a standard. When used with Atlas Copco tapered button bits, penetration rate will improve some 25-50 percent compared to conventional integral steels. And they have three to five times longer service life.

Technical specifications

Technical details

Rock drill type

Underground rock drill

Hole range

27 mm - 41 mm


34 kg


740 mm

Air consumption

88 l/s

Impact rate

2 280 blows/min

Piston diameter

80 mm

Stroke length

70 mm
Vibration and sound
Available shank sizes
Part numbers