MAXDRILL self-drilling anchor bolt Nov. 4, 2009 20:24:25
MAXDRILL self-drilling anchor embodies drilling, grouting and anchoring as a whole. Widely used as an efficient anchoring means, in tunnel presupport, slope, coast, mine, water conservancy projects, ....
See more »MAXDRILL is a professional manufacturer of qualified rock tools, such as button bits, drill steels, DTH hammer and bits, Rock bolting and etc, which serve in mining, quarry, water well, civil....