Endcap recirculation type ball screw. The basic design of this return system is the same as the external recirculation type nut except that the return tube is made inside the nut body as a through hole. The balls in this design traverse the whole circuit of the ball tracks within the nut length. Therefore, a short nut with the same load capacity as the conventional design can be used.
Adapted to high lead, Outer diameter of nut is middle, Single nut only