y19a drilling machine
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Hand Held Rock Drills Y19A jack hammer rock drilling machine
The rock drill is extensively used in drilling and blasting holes for quarrying, mining, roadway construction, and drilling operation, thus it is indispensable in mine, water conservancy, building materials, energy source, traffic, military industry and geological engineering projects. Our rock drill adopts H22 drilling steel with general blast hole diameter of 30-42mm to drill a hole as long as 5m effectively and economically
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