Pneumatic Roof Bolter for roof supporting in the underground coal mine MQT-130 It is mainly used for drilling bolting holes in the roof of underground coal mine. The hardness of the roof can be less than 80Mpa. ... Read More
It is mainly used for drilling bolting hole on the roof of underground roadway. The hardness should be f≤10. The rid bolter is handhold. It is with the features of large torque, small weight, low noise, high ... Read More