The proposed technical solution relates to tool production, namely, the production of equipment for power. The aim of the proposed technical solution is to expand the field of application nozzles due to their possible use in different drives and increased functional power capabilities. This object is achieved in that in the known device, comprising a working part and a fastening element according to the utility model, the fastening member is a plate with rectangular holes symmetrically arranged circumferentially about its two orthogonal diameters, the figure-hole is formed in the central portion of a circle in shaped crown dvennadtsatiugolnoy asterisk. 1 nzpf, 1 fig.
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