NEMA17 42 Stepper Motor With 300MM T8 Lead Screw

NEMA17 stepper motor with 300mm long trapezoidal screw + brass flange nut Technical data: Voltage: 2.8V Steps: 1.8deg Torque 4.4 kg.cm Current: 1.68A Resistance: 1.65+-10%Ω Weight: 340g Number of wires: 4 Standard: NEMA17 Trapezoidal screw length: 300mm Trapezoidal screw type: TR8x2 Step angle accuracy: +- 5% (full step, no load) Resistance accuracy: +-10% Inductance accuracy: +-20% Temperature rise: 80deg Max (rated current, 2 phase on) Ambient temperature: 20 ~ 50deg Insulation resistance: 100M Min,500VDC Insulation Strength: 500VAC for one minute