3axis Nema 34 Spindle Shaft 11.2nm 1600oz.in& Nema23 Stepper Motor 425oz.in CNC 1.&nbsp;Nema 23 Stepper Motor: Nema 23 Stepper Motor Bipolar 112mm Body 12Ncm Torque 4 Lead W 3A with 1.8 Step angel 4.8V for 3D Printer CNC 2.&nbsp;Stepper Motor Driver: DM542A Stepper Motor Driver 2 Phase 1.0A-4.2A Voltage 18-50VDC 3.&nbsp;OTHER PARAMETORS: 2 Phase. 1.85%/ Step. 5.6 Voltage. 3.5A/Phase Current. 1.610% /Phase Resistance. 2220% mH/Phase Inductance. B level Insulation Class. 2.&nbsp;TORQUE: 10.5N.m Min Holding Torque. 24.5N.cm Max. 3600g.cm2 Rotor Torque. 5.Package: Come with 2Pcs nema23 23HS9430 motor,2pcs driver DM542A,1pc motor 34HS5435C-37B2 ,1pc driver DM860A,1pc power 350w-36v,1pc power 350w-60v,1pc breakout baord and cable