Features High Quality Construction: Made with 100% brand new and high-quality materials, ensuring durability and reliability. Precise Motion Control: Each step of the motor moves the screw by 0.25mm, providing accurate and controlled linear motion for your applications. Fast Linear Speed: With a maximum speed of 25mm per second, this lead screw enables quick and efficient movement in your small devices. Versatile Applications: Widely used in various fields such as medical equipment, engraving machines, and more, offering versatile functionality for different industries. Compatible with A4988 Driver: To drive the motor, you will need an A4988 driver (not included). Please note that it cannot be directly connected to power for operation. Features: 100% brand new and high quality. Moving 0.25mm for one step, can use microstep driver if need smaller. The maximum linear speed is 25mm per second. Widely used for small devices such as medical equipment, la-ser engraving machine, etc. The motor need a A4988 driver(not included) to drive, can not directly connect to power. Specifications: ModelD8-MOTOR80Drive voltage12V DC (drive: 16219)Current per phase800 ma/phaseCoil resistance 15  10%Ω/phaseNo.of phases2 phasesStep angle 18 ./stepExcitation method1-2 phase excitationDrive modeBipolar drivePull-out thrust500g  above at 125ppsMax response frequency1600 pps aboveMax starting frequency 1100 pps aboveInsulation classClass E Insulation strength100vac one secondInsulation resistance50M DC 500VOperating temperature0~+55℃Motor surface temperature80℃Thread Rod Diameter3mmThread Rod Length90mmSlide Block Stroke80mmThread Rod Pitch±0.5mmLength10.3cm/4.1in Weight50g (approx.) Package Includes: 1 x Motor with Linear Slide Package List