Hinge for the support and the maneuvering of doors, made up of two wing elements and provided with means for attachment to a frame part and respectively to a door portion, as well as mutually reinforcing means in a pivoting zone, the means being constituted by appendices internally hollow in the form of a cylindrical body projecting from the wing elements, characterized in that at least one of the appendices of the wings provides on the inner surface axial grooves suitable for housing a push-engagement element housed inside a pivot pin of the wing elements and protruding from it.