CIR90-90 DTH Hammer Bit,Low air ... - rock-drill
CIR90 Low Pressure DTH Air Drill Hammer bit is very popular in international ore mining drilling field.It is widely used in international ore mining drilling field. Drill-the-hold hammer. CIR90 DTH Drill Hammer drill holes from 90mm to 130mm.Matched drilling bits:CIR90-90,CIR90 …
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