CHINA BEIJING, Beijing, Beijing, China,102200
We are one supplier, specializing in exporting those rock drilling equipments, as following, --DTH (down the hole) hammers and bitsSpecificationsTaper button bit 7, 11, 12degreeThread R25, R28, R32, T38, T45, T51, T60 etc.Parabolic, Hemispherical, ...
rock drilling tools, drill bit, drill rod, dth hammer bit, mining equipment, button bit, chisel bit, cross bit, tapered bit, thread bit, integral drill rod, tapered rod, extension rod, drifter rod