The invention provides a rock bolt (10) for use in supporting a rock wall by being grouted in a rock hole drilled into the rock wall which includes an elongate body of a suitable metal material which extends between a distal end (14) and a proximal end (16) and which body includes a threaded portion (18) at the proximal end, a resin bore (26) which extends through the elongate body, opening at each of the ends, a first integral anchor (28) at or towards the distal end that comprises a plurality of integrally formed paddle formations (32), a second integral anchor (30) between the first integral anchor and the threaded portion that comprises a plurality of integrally formed paddle formations, and a stem (36) portion between the first integral anchor and the second integral anchor which has a smooth cylindrical exterior surface.
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