6' High Air Pressure DTH Drill Bits CIR80 / CIR90 for DHD360 Shank In DTH drilling, the rock drilling bit is a continuation of the shank, which the rock drill piston strikes directly. Since the piston ...View More
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6 Inch 8 Inch High Air Pressure DTH Drill Bits for Atlas Copco DHD360 DHD380 Shank