Coal mine, MQT Series Pneumatic Roof Bolter always take a leading position in roof supporting industry in China, especially in following aspects: Higher output power; High rotate speed and drilling power; Convenient operation and maintenance to the air & water control valve.

And special silencer bringing comfortable working condition, etc. MQT series bolters have seven models for your option: MQT-90/2.3A, MQT-100/3.1, MQT-110/2.8, MQT-120/3.0 and MQT-130/3.2. And each model can be equipped with drilling rod with two connection types, B19 and B22. In addition, we also provide various drill bits & rod fitting for different rock hardness for your selection.