Description T8 500mm Lead Screw Set with Shaft Coupling and Mounted Ball Bearing 2mm LeadSpecification Lead screw Materialstainless steelDiameter8mmLead2mmTotal Length500mmScrew nut Material brassDiameter8mmMounted ball bearing Materialzinc alloyBore diameter5mmHole diameter8mmTotal length55mmHeight29mmShaft coupling MaterialaluminiumShaft6 35 x 8mmLength24mmDiameter18mmQuantity1 set 1 screw 1 Screw nut 2 Mounted ball bearing 1 shaft coupling Features Screw mainly used in stepper motor machine Tool and other equipment Screw without processing direct connected to bearing Lead screw was PVC tube packaging Suitable for Industrial automation equipment stepper motor rails such as 3D printers engraving machine XYZ module slider lifts etc How to install 1 Put screw nut into the Lead screw 2 Then the 2 Mounted ball bearing separately install at both ends of the Lead screw 3 According to the size of you need to adjust the distance between the nut and Mounted ball bearing 4 Put shaft coupling into the Lead screw beside the Mounted ball bearing Package Included 1 x Lead screw1 x Screw nut2 x Mounted ball bearing1 x Shaft coupling More Details