Low Air Pressure
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Down the hole 115-CIR110 DTH hammer bits for dth hammer drilling
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Factory direct sales DTH 200-CIR150 drill bit of low pressure
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Low pressure 165-CIR150 drill bit with long service life
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Factory direct sales 140-CIR110 DTH drill bit of low pressure
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Dedicated low pressure alloy DTH 110-CIR90 drill bit for water wells
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Factory direct sales of low pressure DTH drill bit with CIR110 hammer
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90-CIR90 low pressure alloy down-the-hole drill bit factory direct sale spot
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