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CIR90-90mm DTH Bits Low Air Pressure DTH Bits DTH Hammer drill bit

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  • Low Air Pressure CIR90 -90mm DTH drill bit - Industry ...

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    3. Low problem rate and easy to maintenance due to simple, reliable and easy assemble and disassemble inner structure of hammer. 4. Easy to depart bit from hammer due to multi—head thread connecting chuck and cylinder of hammer. 5. Interchangeable with DTH bit and drill pipe. Low Air Pressure DTH Hammer …

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