MAXDRILL Self-drilling Rock Bolt MAXDRILL self-drilling anchor embodies drilling, grouting and anchoring as a whole. Widely used as an efficient anchoring means, in tunnel pre-support, slope stabilization , coast, mine, water conservancy projects, building foundation, roadbed reinforcement and geological diseases treatment such as landslip, crack, sinkage. It¡¯s irreplaceable in narrow construction environment. (1)Diameter: R25, R32, R38, R51, T76. (2)Max. Tensile Load: 200-1900KN. (3)Yield Load: 150-1500KN. (4)Standard length: we can supply any length according to construction require. (5)Productivity: 400MT/ month We can supply all the accessories including anchor bits, coupling, spherical nuts, plates, and stopper.