DHD, COP, Mission, SD, QL Downhole Drilling Tools Bits 6' For Water Drilling Equipment
date_rangeOct 31' 2017 / (China )
Product name: High Air Pressure DTH Bits 3''-8''
Details:Matching: DHD, COP, COP Gold, Mission, SD, QL etc.
Bit Diameter: 3 ~ 12 inch (76 ~ 305mm)
Working air pressure: 6 ~ 35 bar (0.6 ~ 3.5 MPa, 87~507 psi)...
date_rangeOct 31' 2017 / (China )
