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Diameter of hole(mm):310 Depth of hole(m):18 Angle of hole(Degree):90

KY-310A
Model KY-310A Rotary Drilling Machine uses the units of AC frequency-change motor driving, top swing, continuous crowd of speed-reducer-closed chain-gear and rack, high drilling structure, electric-gas-hydraulic control, slag off by gas pressing. It can drill the blast hole with dia 310mm and depth 18mm on all sorts of mine rock f greater than and equal to 5. It is very good and suitable drilling equipment for efficient production in big open mine .

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