Abstract: A mining auger has a hollow auger shaft terminating in a front end, an auger helix welded to the outer face of the shaft and having a peripheral edge zone radially spaced from the shaft surface and extending helically thereabout; a plurality of spaced tool holders arranged in the peripheral edge zone of the helix for receiving cutting tool bits; separate spray nozzles arranged in the peripheral edge zone and associated with each cutting tool bit; a liquid supply channel provided in the shaft; a distributor channel communicating with the supply channel and following the helical course of the helix; and connecting channels leading to individual spray nozzles and communicating with the distributor channel. The distributor channel is situated at a substantial radial distance from the outer face of the auger shaft in the direction of the nozzles.