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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.


Front flushing of drill steel to keep water and cuttings out from the drill

When you do

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


Stopers are made for vertical or inclined environments. The machines are especially designed for production drilling, raise driving and roof bolting. Thanks to the ratchet wheel rotation and short piston stroke you get good penetration rates in soft and medium hard rock

Technical specifications

Technical details

Rock drill type

Underground rock drill

Hole range

27 mm - 41 mm


43.5 kg

Length retracted

1,610 mm

Length extracted

2,380 mm

Air consumption

125 l/s

Impact rate

2,340 blows/min

Piston diameter

80 mm

Stroke length

70 mm
Vibration and sound
Available shank size
Part numbers