Stopers

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

Rock drill type

Underground rock drill

Hole range

27 mm - 41 mm

Weight

40 kg

Length retracted

1 650 mm

Length extracted

2 620 mm

Air consumption

75 l/s

Impact rate

0 blows/min

Piston diameter

75 mm

Stroke length

45 mm

 

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