Fitting for a rock bolt and rock bolt assemblies including same

摘要

Abstract A fitting for a rock bolt is disclosed that includes a first passage portion extending from a leading end that is arranged to engage with an end of the rock bolt shaft, a second passage portion extending from the trailing end, the second passage portion being spaced from the first passage portion in the direction of the fitting axis. At least one outlet extends in the body to an external surface of the fitting, the at least one outlet being in fluid communication with the second passage portion. A rock bolt assembly including the fitting and a sleeve extending around the rock bolt shaft is also disclosed. The fitting allows grout (or other fluid) to be introduced through to the rock bolt via the second passage portion and the at least one outlet.