





5Pack Nema 17 Stepper Motor 2 Part 1.8° 0.13Nm(18.41oz·in) Excessive Torque Bipolar 21mm 1.0A 3.5Ω 4-Wire Shaft 24mm φ5mm 42 Stepper Motor Cable 1M for 3D Printer DIY Robotic CNC Machine
Product Dimensions : 0.81 x 1.66 x 1.66 inches; 1.6 Kilos
Date First Obtainable : August 9, 2025
Producer : YEJMKJ
ASIN : B0FHHWMCGK
Traits: Nema 17 pancake stepper motor 2 Part, Step angle 1.8dge (200 steps/rev), Holding torque 0.13Nm (18.41oz·in), Rated present 1.0A, Resistance 3.5Ω, Inductance 3.4mH±20%, Rotor inertia approx 16.5g.cm².
Specs: Nema 17 Stepper Motor has the next numerous dimensional parameters. Physique measurement 42x42x20.5mm, (1.66×1.66×0.81in), Set up gap distance 31mm, Shaft size 24±0.5mm, Shaft diameter φ5mm, D-cut size 24mm, Cable 1m, 4-Wire Black (A+) Inexperienced (A-) Crimson (B+) Blue (B-), Weight 121g.
Security Compliance: The secure and dependable operation of this 42 Step Motor is supported by these key security parameters. Dielectric energy 500V A.C 1 MINUTE; Insulation resistance 100MΩ MIN; Operation ambient temperature -20℃ ~+50℃ [-4°F~122°F]; Operation ambient humidity 15percentRH~95percentRH; Insulation class(UL) B (130℃) [266°F]; Temperature rise 80K MAX.
Essential Concerns: Rising pace lowers torque, with the really useful pace vary of 0–600 RPM Decrease present decreases each torque and temperature rise, and decreased voltage ends in decrease torque (12–24V DC vary). The 42mm Stepper Motor is utilized in numerous functions like 3D printers, DIY robots, and CNC machines, providing a compact design and excessive torque for demanding duties.
Superior Metal Building: Expertise steadier operation with our enhanced Nema 17 Step Motor. Superior metal cores and optimized windings produce as much as 20% increased holding torque. Engineered for quiet operating, it reduces vibration and environmental sound interference.




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