Self drilling anchor system is composed by hollow anchor bar, coupler, nut, drill bit, plate, and centralizer, It can combine drilling, grouting and anchoring in one process. Self drilling anchor system is safe, efficient and convenient. It is suitable for broken rock, loose soil and geological conditions where are difficult to drillholes. It helps to ensure anchoring effect in complex ground conditions and achieving best construction result.
Sinorock® divides our self drilling anchor system into R thread self drilling anchor bolt and T thread self drilling anchor bolt. The sizes of our self drilling anchor bolt include R25, R32, R38, R51, T30, T40, T52, T73, T76, T103, T111, T127, T130, T150 and T200. We can choose different product size and type of self drilling anchor system according to different engineering requirements.