Drain fitting for a sanitary tub or shower tray (D), with a drain housing having an inlet opening and a connection for a drain pipe, with a flange surrounding the inlet opening , which has a connection surface (4.1) intended for arrangement in an edge region of a drain opening of the tub or shower tray, and with a cover , which is detachably connected to the flange and/or the drain housing and, in the assembled state, covers the inlet opening while limiting an inlet gap , wherein the flange has a horizontal outer dimension (A1) which is larger than a horizontal outer dimension (A2) of the cover which is aligned in the same direction relative to the outer dimension (A1) of the flange , the flange being designed in such a way that it can be connected to the underside of the tub base or shower tray base in a liquid-tight manner without a connecting counterpart resting against the upper side of the tub or shower base, the flange and/or the drain housing having an inlet surface (4.2) which is lower relative to the connection surface (4.1) of the flange , surrounds the inlet opening of the drain housing in the assembled state of the drain fitting and is at a distance from the underside of the cover , and wherein the cover has spacers on its underside, with which it rests on the inlet surface (4.2), characterized in that the flange has a plurality of projections (4.10), the spacers engaging in recesses (4.11) delimited by the projections (4.10), or in that the inlet surface (4.2) is bounded on the outside by a circumferential shoulder or a circumferential inner wall (4.9), the shoulder or the wall (4.9) having a plurality of projections (4.10), and the spacers engaging in recesses (4.11) bounded by the projections (4.10). with a drain housing having an inlet opening and a connection for a drain pipe, with a flange surrounding the inlet opening , which has a connection surface (4.1) intended for arrangement in an edge region of a drain opening of the tub or shower tray, and with a cover , which is detachably connected to the flange and/or the drain housing and, in the assembled state, covers the inlet opening while limiting an inlet gap , wherein the flange has a horizontal outer dimension (A1) which is larger than a horizontal outer dimension (A2) of the cover which is aligned in the same direction relative to the outer dimension (A1) of the flange , the flange being designed in such a way that it can be connected to the underside of the tub base or shower tray base in a liquid-tight manner without a connecting counterpart resting against the upper side of the tub or shower base, the flange and/or the drain housing having an inlet surface (4.2) which is lower relative to the connection surface (4.1) of the flange , surrounds the inlet opening of the drain housing in the assembled state of the drain fitting and is at a distance from the underside of the cover , and wherein the cover has spacers on its underside, with which it rests on the inlet surface (4.2), characterized in that the flange has a plurality of projections (4.10), the spacers engaging in recesses (4.11) delimited by the projections (4.10), or in that the inlet surface (4.2) is bounded on the outside by a circumferential shoulder or a circumferential inner wall (4.9), the shoulder or the wall (4.9) having a plurality of projections (4.10), and the spacers engaging in recesses (4.11) bounded by the projections (4.10). <EOS>