Abstract: A service hatch insertable in doors and walls, with a frame insertable in an opening of a door or of a wall and a closing part connected to said frame and incorporating a service opening, whereby the closing part has a shock-proof, transparent panel, a fixing slot for fixing one edge of this panel and, on the opposite edge of the panel, a hinged handle which can be turned around a turning axle parallel to the two edges. The handle bears a support rod at a distance from the turning axle, on which support rod the neighboring edge of the panel rests.