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Hydraulic Roof Bolter
Large torque, small weight, low noise, high efficiency, drilling a hole with diameter from 27mm to 42mm and 20m depth. The power can be from either the special power pack or the Road Header. It is mainly used for drilling and bolting on the roof of coal roadway, mixed coal-rock roadway and rock roadway. The hardness should be f¡Ü10. The wall bolter is handhold.
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