17HS4023 for Titan Extruder 4-lead Nema 17 22mm 42 Motor For 3D Printer. This considerably increases the thermal conductivity of the motor. This effectively reduces the increase in temperature. High Torque: Adopting high quality motor steel material,with high torque 13Ncm(18.4oz.in), low self-inductance reactance, responsive and can avoid system error.
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