An adjustable grinder (1) comprising: a container (2) configured to contain a product to be ground; a stator (3) that includes at least two rows of teeth (35, 36), the stator being positioned in the container; a rotor (4) that includes at least two rows of teeth (31, 32) positioned opposite the stator and configured to rotate with respect to the stator; a drum (5) positioned around the rotor; and a rotating slide (11) that includes an indicator (13) that is configured to be adjusted such that a distance between the stator and the rotor increases or decreases, where at least two rows of stator teeth oppose at least two rows of rotor teeth such that the product is ground between the stator and the rotor, characterized in that said stator comprises at least two extended teeth (37) which extend further in a radial direction towards a central axis of the stator that at least two rows of stator teeth and because the rotor includes a plurality of fingers (33, 33a) extending in a radial direction outside a central axis of the rotor.Una moledora ajustable (1) que comprende: un contenedor (2) configurado para contener un producto que se va a moler; un estator (3) que incluye al menos dos filas de dientes (35, 36), estando posicionado el estator en el contenedor; un rotor (4) que incluye al menos dos filas de dientes (31, 32) posicionadas opuestas al estator y configuradas para rotar con respecto al estator; un tambor (5) posicionado alrededor del rotor; y una corredera giratoria (11) que incluye un indicador (13) que está configurado para ser ajustado de tal forma que una distancia entre el estator y el rotor aumente o disminuya, donde al menos dos filas de dientes del estator se oponen al menos a dos filas de dientes del rotor de tal forma que el producto es molido entre el estator y el rotor, caracterizada porque dicho estator comprende al menos dos dientes extendidos (37) que se extienden aún más en una dirección radial hacia un eje central del estator que al menos dos fil