The invention relates to a cutting head (1) for a vegetation cutting machine, such as a border trimmer or a brush cutter, designed to accommodate a coil (2) consisting of a plurality of temporarily bonded turns (21) of at least one cutting filament (20) and exhibiting a central void (22), said cutting head including:a body (10) defining an inner recess (11) for the coil (2) and provided with a peripheral opening (12) for the emergence of a cutting filament separated from the coil, and capable of being driven in rotation by a motor,a central mandrel (13) adapted to support said at least one coil, said mandrel comprising at least one arrangement adapted to cooperate with the coil so as to provide for rotational engagement between the mandrel (13) and the coil (2), the mandrel (13) being able to selectively rotate relative to the body (10).