The operating units described here are designed to solve problems of drilling, counter boring and boring. The rotational movement is transmitted from the motor to the spindle via a pair of toothed pulleys, keyed with conical sleeve.
The units can be a quill and slide rails with cast iron induction hardened and ground, on demand quality linear guides with recirculating ball or roller skates.
The units can be supplied on request as follows:

   * different types of bearings spindle
   * flange joint to attach a brushless motor
   * with slide surfaces coated with antifriction material
   * quality linear guides with recirculating ball or roller skates
   * with protective telescopic metal