Coupling sleeve

Key Attributes.

We are a professional manufacturer of rock drilling tools in China. Our main products include rock drill, TBM cutter, roller cutter bits, DTH hammer, DTH bit, button bit, retract button bit, cross bit, chisel bit, drill rod, drill tube, shank adaptor, coupling sleeve, pilot adaptor, overburden drilling equipment, cutting tools which are used for mining, quarrying, tunneling, water well drilling, mineral exploration, geological prospecting, civil engineering and construction. Etc.