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Hunan New Diamond Construction Machinery Co., Ltd.
Hunan New Diamond Construction Machinery Co., Ltd.
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76MM-500MM DTH Hammer Bits Downhole Tools For Geothermal Drilling

Hunan New Diamond Construction Machinery Co., Ltd.
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76MM-500MM DTH Hammer Bits Downhole Tools For Geothermal Drilling

76MM-500MM DTH Hammer Bits Downhole Tools For Geothermal Drilling

ND25 ND3.5 ND45 ND55 ND65 ND85 ND1120 ND DHD COP Hard Rock Drill Bit Specifications DHD Head shape Diameter (mm) Number of vents NO X button diamter weight (KG) Toothed Gauge Front DHD3.5/ND35 Flat ...

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