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NSD series Down The Hole Hammer with Foot Valve High Air Pressure for Mining tools Description When percussion or hammer drilling the percussion mecha...

Parameters of DTH bit (Down the hole drilling hammer) type drill diameter mm(inch) weight (kg) TH79(3.5inch) 90mm-100mm(3 1/2-3 7 /8) 4-4.5 DHD3.5 90m...

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