These Hydraulic Roof Bolters are mainly used for hole drilling and bolting on the roof of the coal roadway, mixed coal-rock roadway and rock roadways. The hardness should be f=10.
Features of Hydraulic Roof Bolter
- Large Torque
- Light Weight
- Low Noise Levels
- Highly efficient
- Hole diameters from F27 to F42 and depths of upto 20m