YEJMKJ 5 Pack Nema 17 Stepper Motor TR8x8 200mm with T8 Lead Screw 2 Phase 1.8‌°‌ High Torque 0.44Nm (62.31oz·in) 1.7A 2.2Ω Bipolar 42x39mm 4-Wire Cable 1M for 3D Printer DIY Robot CNC Machine

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• Dimensional data: Key dimensions for 5 Pack Nema 17 lead screw stepper motor include the following. Body size 42x42x38.7mm (1.66x1.66x1.53in), Lead screw TR8x8 200mm, Installation hole distance 31mm, Weight 355g, 4-Wire, Black (A+) Green (A-) Red (B+) Blue (B-) , with Cable 1M.
• Specifications: Nema 17 linear actuator stepper motor with 200mm T8x8 lead screw, Step angle 1.8‌dge(200 steps/rev), 2 Phase Holding torque 0.44Nm (62.31oz·in), Resistance 2.2Ω, Rated current 1.7A, Inductance 3.1mH±20%, Rotor inertia approx 65g.cm².
• Operational Safety: This Nema 17 lead screw linear Step motor with flange nut boasts safe and reliable operation, with the following key safety parameters. Dielectric strength 500V A.C 1 MINUTE; Temperature rise 80K MAX; Insulation resistance 100MΩ MIN; Insulation class(UL) B (130℃) [266°F]; Operation ambient temperature -20℃～+50℃ [-4°F～122°F]; Operation ambient humidity 15%RH～95%RH.
• Important Notes: Higher speeds lead to a decrease in torque, with operation recommended at 0–600 RPM. Reducing current lowers both torque and temperature rise, while lower voltage reduces torque (12–24V DC range). The 42mm Stepper Motor with T8 Lead Screw is used in 3D printers, DIY robots, CNC machines, and other automated systems. Its compact size and high torque suit demanding applications.
• More Power, Less Noise: Choose our upgraded Nema 17 Stepper Motor with T8 Lead Screw for increased holding torque and remarkably quiet function. Re-engineered steel cores and precision windings minimize noise, contributing to smoother overall system operation with less ambient disruption.

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