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                Home>oubao products>Diamond Core Drill
                Diamond Core Drill
                Velocity-adjustable drilling machines with soft start
                Stepless speed regulation and drilling inclined
                holes from 45-90° with the adjustable bracket
                TECHNICAL PARAMETER
                Concrete drilling range(mm) Rated Voltage(v) Rated Frequency(Hz) Rated Input Power(w) No-load Speed(rpm) Net/Gross Weight(kgs) Packing Weight(cm) Column length(cm)
                OB-255B(E) ~10”(~255)
                110/220~ 50-60 4250
                560(100-560) 23/25 94*36*24 900
                OB-255BCE ~10”(~255)
                110/220~ 50-60 4250 100-350/690 23/25 94*36*24 900
                OB-305B(E)
                ~12”(~305)
                110/220~
                50-60
                4550
                390(100-390)
                26/28
                103*39*24
                1000
                OB-305BCE
                ~12”(~305)
                110/220~
                50-60
                4550
                100-390/760
                26/28
                103*39*24
                1000
                OB-355B(E) ~14”(~355)
                110/220~
                50-60
                4780
                390(100-760)
                27/28
                103*39*24
                1000
                OB-355BCE ~14”(~355)
                110/220~
                50-60
                4780
                100-390/760
                27/28
                103*39*24
                1000
                OB-405B(E) ~16”(~405)
                110/220~
                50-60
                4980
                350(100-350)
                28/30
                103*39*24
                1000
                OB-405BCE ~16”(~405)
                110/220~
                50-60
                4980
                100-350/680
                28/30
                103*39*24
                1000
                OB-455B(E) ~18”(~455)
                110/220~
                50-60
                5180
                320(100-320)
                29/30
                103*39*24
                1000
                OB-455BCE ~18”(~455)
                110/220~
                50-60
                5180
                100-320/460
                29/30
                103*39*24
                1000