ISO9001 Customized Blast Hole Hard Rock Drill Rig Bit ND55 133mm

ISO9001 Customized Blast Hole Hard Rock Drill Rig Bit ND55 133mm

DHD350 DTH Drill Bit, 3.5inch DTH Drill Bit, CIR 90 dth hammer button bits

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ISO9001 Customized Blast Hole Hard Rock Drill Rig Bit ND55 133mm

Description

Blast Hole Hard Rock Drill Rig Accessories ND55 133mm DTH Drill Bit Specification Of ND55 133mm DTH Drill Bit : Drill Bit Bit Head Diameter/mm Weight/kg Air Tube ND55 133 15.0 With 140 16.0 146 17.0 …

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