Abstract: A meat grinder has an arrangement for separating gristle and the like from the meat to be ground. The arrangement comprises an apertured discharge disc for the ground meat defining an axial bore having a threaded cylindrical portion and an adjoining funnel portion, a rotary cutter comprising a separating knife having a plurality of radial cutter blades in axial alignment with the disc and including oblique cutting edges adjacent the input side of the disc and arranged to convey the gristle towards the axial bore, and a separating casing which includes an annular threaded portion engaging the threaded cylindrical portion of the axial bore for threadedly mounting the casing in the bore for axial adjustment in relation thereto, and an adjoining separating head conforming to the funnel portion of the bore. The annular threaded portion defines at least one separating aperture adjacent the head.