Tool for mounting hose clamps on a tube, comprising: an electric motor adapted to generate a driving torque; a working head , removably mounted on the tool , and adapted to move between an open configuration, wherein it is adapted to accommodate a hose clamp, and a closed configuration, wherein it is adapted to clamp said hose clamp on the tube; transmission means , interposed between said electric motor and said working head , adapted to transmit said driving torque generated by the electric motor to said working head to drive the movement of the working head between the open configuration and the closed configuration; a magnetic element and proximity sensing means , the proximity sensing means being adapted to generate a proximity signal when the relative distance between the magnetic element and the proximity sensing means is less than a predetermined distance of measure; and an electronic control unit configured to control the driving torque generated by the electric motor depending on said proximity signal generated by the proximity sensing means ; the transmission means comprising a worm screw and a transmission shaft , extending along a longitudinal axis (x), wherein the worm screw is adapted to convert a rotary motion generated by the electric motor into a translational motion along said longitudinal axis (x) of said transmission shaft , said translational motion being able to be transmitted to the working head ; the transmission means further comprising a thrust element adapted to transmit the translational motion of said transmission shaft to the working head ; the tool being characterised in that the tool further comprises force sensing means adapted to measure the force transmitted by the transmission shaft to the thrust element and to transmit the result of this measurement to the electronic control unit . a working head , removably mounted on the tool , and adapted to move between an open configuration, wherein it is adapted to accommodate a hose clamp, and a closed configuration, wherein it is adapted to clamp said hose clamp on the tube; transmission means , interposed between said electric motor and said working head , adapted to transmit said driving torque generated by the electric motor to said working head to drive the movement of the working head between the open configuration and the closed configuration; a magnetic element and proximity sensing means , the proximity sensing means being adapted to generate a proximity signal when the relative distance between the magnetic element and the proximity sensing means is less than a predetermined distance of measure; and an electronic control unit configured to control the driving torque generated by the electric motor depending on said proximity signal generated by the proximity sensing means ; the transmission means comprising a worm screw and a transmission shaft , extending along a longitudinal axis (x), wherein the worm screw is adapted to convert a rotary motion generated by the electric motor into a translational motion along said longitudinal axis (x) of said transmission shaft , said translational motion being able to be transmitted to the working head ; the transmission means further comprising a thrust element adapted to transmit the translational motion of said transmission shaft to the working head ; the tool being characterised in that the tool further comprises force sensing means adapted to measure the force transmitted by the transmission shaft to the thrust element and to transmit the result of this measurement to the electronic control unit . <EOS>