Features and Usage Handy,lqarge torque,easy operation and maintenance.Drilling and bolting can be achieved by one machine. Pneumatic Roof Bolter Main Specifications MQT-85C1AMQT-85C2AMQT-85C3AMQT-110/2.5IMQT-110/2.5IIMQT-110/2.5IIIMQT-120/2.7IMQT-120/2.7IIMQT-120/2.7IIIMQT-130C1MQT-130C2MQT-130C3 Working pressureMPa0.4~0.630.4~0.630.4~0.630.4~0.63Nominal pressureMPa0.50.50.50.5Nominal ...