Features: _x000D_100% brand new and high quality._x000D__x000D_Moving 0.25mm for one step, can use microstep driver if need smaller._x000D__x000D_The maximum linear speed is 25mm per second._x000D__x000D_Widely used for small devices such as medical equipment, laser engraving machine, etc._x000D__x000D_The motor need a A4988 driver(not included) to drive, can not directly connect to power._x000D__x000D__x000D__x000D_Specifications: _x000D_Model D8-MOTOR80 _x000D_Drive voltage 12V DC (drive: 16219) _x000D_Current per phase 800 ma/phase _x000D_Coil resistance 15 10%/phase _x000D_No.of phases 2 phases _x000D_Step angle 18 ./step _x000D_Excitation method 1-2 phase excitation _x000D_Drive mode Bipolar drive _x000D_Pull-out thrust 500g above at 125pps _x000D_Max response frequency 1600 pps above _x000D_Max starting frequency 1100 pps above _x000D_Insulation class Class E _x000D_Insulation strength 100vac one second _x000D_Insulation resistance 50M DC 500V _x000D_Operating temperature 0~+55 _x000D_Motor surface temperature 80 _x000D_Thread Rod Diameter 3mm _x000D_Thread Rod Length 90mm _x000D_Slide Block Stroke 80mm _x000D_Thread Rod Pitch 0.5mm _x000D_Length 10.3cm/4.1in_x000D__x000D_Weight 50g (approx.)_x000D__x000D__x000D__x000D__x000D_Package Includes: _x000D_1 x Motor with Linear Slide 1100% brand new and high quality. 2Moving 0.25mm for one step, can use microstep driver if need smaller. 3The maximum linear speed is 25mm per second. 4Widely used for small devices such as medical equipment, laser engraving machine, etc. 5The motor need a A4988 driver(not included) to drive, can not directly connect to power.