Ball screw, also called a ball bearing screw, recirculating ball screw etc, consist of a screw spindle and a nut integrated with balls and the balls' return mechanism, return tubes or return caps. It is the most common type of screws used in industrial machinery and precision machines. The primary function of ball screw is to convert rotary motion to linear motion or torque to thrust, and vice versa, with the features of high accuracy, reversibility and efficiency.
Precision:C7,C5
Diameter:12mm
Pitch:4mm
We can also do the machining as your drawing!!