SM60HT nema 24 stepping Motor, 60mm step motor, Holding torque upto 3Nm. high quality, CE Model No.RatedVoltageCurrent/PhaseResistance/PhaseInductance/PhaseHoldingTorque# of LeadsRotorInertiaWeightDetentTorqueLengthSingle ShaftDouble ShaftVAΩmHkg-cmg-cm2kgkg-cmmmSM60HT65-2008AFSM60HT65-2008BFunipolar4.822.44.61585701.20.967parallel3.362.81.24.621series6.721.44.818.421SM60HT86-2008AFSM60HT86-2008BFunipolar6236.82288401.41.088parallel4.172.81.56.831series8.41.4627.231