China D Miningwell High Quality CIR60 Low Pressure for Rock Drilling DTH Hammer Hard Rock Drilling, Find details about China Hammer Bit DTH Drill Bit, DTH-Hammers from D Miningwell High Quality CIR60 Low Pressure for Rock Drilling DTH Hammer Hard Rock Drilling
Drilling hole diameter | 90-120mm |
Bit Shank | CIR60 |
Port | Ningbo |
Material | Carbon Steel |
Air pressure | 0.5-1.0 Mpa |