Tool for cutting the isthmuses of printed circuit boards

Tool for cutting the isthmuses of printed circuit boards, wherein the isthmuses are bridges of material disposed in the slots of a plate comprising a plurality of PCBs, said tool comprising:

• a base plate with an upper surface and a lower surface;
• a spindle comprising a shank intended to be fixed to a rotating machine and a cutting tip intended to be inserted into said slots of the plate comprising the PCBs and to cut said isthmuses;
• a spindle support fixed to said base plate and revolvingly supporting said spindle;
• a head fixed to said base plate and provided with a through hole wherein said shank of the spindle is disposed;
• a guide mounted on said head and provided with a through hole wherein said cutting tip of the spindle is disposed, in such manner that a portion of the cutting tip of the spindle protrudes from the guide, said guide comprising a guide rib aligned with the cutting tip of the spindle and intended to be inserted into said slots of the plate with the PCBs in order to guide a relative movement of the plate with the PCBs with respect to the tool.