90-CIR90 low pressure alloy down-the-hole drill bit ...
90-CIR90 low pressure alloy down-the-hole drill bit factory direct sale spot. CIR90 Low Air Pressure DTH 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 150mm.Matched drilling bits: 90-CIR90, 100-CIR90, 110-CIR90, 120-CIR90, 125-CIR90 ...
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