Actuator Unit Parts Used Ball Screw/ LM Guide/Linear Bearing/CNC Z Axis Route,Bearing/CNC Z Axis Route Actuator Unit Parts Used Ball Screw/ LM Guide/Linear, Item Type : Actuator Unit Parts, The ball inside the Ball Screw Nut, can fall if you eject the block from Screw, Screw Type : Precision Ball Screw, D on't eject the screw nut from the screw,LM Guide Type : Ball Type, save money with deals Provide the latest products New things that make life easy Buy online here products are 100% genuine products. Guide/Linear Bearing/CNC Z Axis Route Actuator Unit Parts Used Ball Screw/ LM.