Our main products including T/R-thread Self drilling hollow bar (anchor bolts), self drilling anchor bit, couplers, nuts, plates and other acessories. Type R25, R32, R38, R51, T30, T40, T52, T73, T76, T103 etc.are avail able for your choice. These anchoring agents are primarily used in relatively stable and intact rock formations. Resin, engineering

adhesives, and quick-setting cement are injected directly into the center of the anchor bolt, resulting in better anchoring quality than ordinary anchor bolts. Due to the advent of self-drilling hollow grouting anchor bolts, they can also be used in loose soil and rock formations.