Description:<br> JKM NEMA8 1.8 20 Hybrid Stepper Motor Two Phase 30mm Motor For CNC Mill Router Cutter  <br> Specification:<br> Brand: JKM<br> Model: JK20HS30-0604 <br> Motor length: 30mm   Diameter of axle: 4mm   The front shaft length: 10mm<br> Outgoing line: 300mm (Plug is not included)<br> Certification:  CE<br> Scope: 3D Printers， Monitor Equipment， Medical Machinery， Textile Machinery， Packaging Machinery， Stage Lighting， ect.  Genaral Specification:               Item         Specifications               Step Angle         1.8                Temperature Rise         80\u2103max               Ambient Temperature         -20\u2103~+50\u2103               Insulation Resistance         100 M&amp;Omega;Min.， 500VDC               Dielectric Strength         500VAC for 1 minute               Shaft Radial Play         0.02Max. (450g-load)               Shaft Axial Play         0.08Max. (450g-load)               Max. radial force         28N (20mm from the flange)               Max. axial force         10N        Electrical Specification:               Model No.         Step Angle         Motor Length               Current           \/Phase                               Resistance           \/Phase                   Inductance           \/Phase             Holding Torque               # of Leads                         Rotor Inertia         Mass               (  )         (L)mm          A         &amp;Omega;         mH         g.cm         No.         g.cm         Kg               JK20HS30-0604         1.8         30         0.60         6.5         1.5         180         4         2         0.06            <br><br> Features:<br> High holding torque at high speed.<br> A stepper motor is an electric motor that is able to create sharp movements.<br> It is widely used in 3D printer， monitor \/ Medical\/Textile\/ Packaging Machinery， Stage Lighting，ect.    Wiring Diagram:      Package Included:   1x Hybrid Stepping Motor    More Details: