Packing list: 2pcs nema 17 42-34mm stepper motor with integrated Tr8x8 lead screw 320mm/ 12.59 inch& cable length 250mm/550mm.
Application: great drop-in replacement or diy Z axis of Prus i3 Mk3s 3d printer, no firmware modification needed. or can use on CNC Milling, Small Robotics, Stage Lighting, Laser Engraving, please double check the specification before ordering.
Specification: High torque nema 17 Z motor, 340mN. m, 42x34mm, lead screw 320mm, 2 phase, integrated wire length 250mm&550mm.
Lead screw: Tr8x8, 2mm pitch, 4 starts, 8mm lead, length about 320mm/ 12.59 inch.
Except for this Z motor kit, we also have other axes motors for Prusa i3 3d printer.