Features: 1.3D printer motor with high torque. 2.Strong Torque - Imported high-quality motor steel sheet, self-inductance reactance is small, and responsiveness is good. 3.Low Noise - The interior is imported and the surface is coated with imported rotor glue. 4.Wide Range of Applications - Such as office automation (3D printers, copiers, compound machines), factory automation equipment (FA), medical machinery, measuring instruments, bank ATM equipment, automobiles, entertainment equipment, communication equipme 5.Uniform speed, does not lose step - 42 stepper motor, improve work accuracy and increase production efficiency. specification: 3D printer motor with high torque. Strong Torque - Imported high-quality motor steel sheet, self-inductance reactance is small, and responsiveness is good. Low Noise - The interior is imported and the surface is coated with imported rotor glue. Wide Range of Applications - Such as office automation (3D printers, copiers, compound machines), factory automation equipment (FA), medical machinery, measuring instruments, bank ATM equipment, automobiles, entertainment equipment, communication equipment, stage lighting and so on. Uniform speed, does not lose step - 42 stepper motor, improve work accuracy and increase production efficiency. : Blcctrical Chsrcteristics Number of Phase: 2 Step Angle: 1.8 Rated voltage: 4.08 DC Rated Current: 1.68A Holding Torque: 700mN.m Min (2 Phases) Phase Resistance: 1.8 10% (20C) Phase Inductance: 3.6mH 20% (1kHz 1V rms) Motor lnertia: 105g cm2 Motor Weight: 480g Ref. lnsulation Resistance: 100M Min.(DC 500V) lnsulation Class: B(130C) Size: approx. 4.2*4.2*4cm/1.65*1.65*1.57in Package Weight: Approx. 1628g/57.43oz Package list: 5 * Stepper Motor 5 * Connecting Cable Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.