CIR90-90 DTH Hammer Bit,Low air pressure Hammer Bit,Rock ...
CIR90-90mm Low Air Pressure DTH Hammer Bit. ProDrill rock drilling tools manufacturer has a full range of DTH drill bits with CIR shanks type for a wide range of hole sizes, which are designed to match all conceivable applications for water well industries, stone quarrying, mining and construction. DTH hammer …
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