Through Shaft Nema 17 Stepper Motor With TR8x8 300mm Lead Screw, 1.8 Degree Step, 2 Phase High Torque Bipolar, 0.3 Nm, 2.7 Ohm, 34mm Body, 42 Step Motor, Includes T8 300mm Cable 1M For 3D Printer DIY Robot CNC

Through-Shaft NEMA 17 Stepper Motor with 300mm Lead Screw
✔️ 0.3 Nm, 1.8°, 2‑phase bipolar, 42x42x34 mm body, 1M cable (single)

The through-shaft NEMA 17 motor combines compact size with solid torque for compact automation, printers, and CNC setups where the shaft passes through a mounting plate. It’s a reliable choice for DIY projects and light industrial tweaks alike, delivering steady performance in tight spaces.

✅ 0.3 Nm holding torque
✅ 1.8° step angle (200 steps/rev)
✅ Through-shaft design with TR8x8 300 mm lead screw
✅ Compact 42x42x34 mm body (1.66x1.66x1.34 in)
✅ Rated current 1.5 A, coil resistance 2.7 Ω, inductance 4.7 mH
✅ Weight ~340 g; rotor inertia ~48 g·cm²; safety class UL B

💡 What is a through-shaft stepper motor used for? It’s a handy choice for compact automation and precise motion in printers and small CNCs. - through-shaft design enables flexible mounting and direct coupling - integrated lead screw option with TR8x8 for compact linear motion - 1.8° step angle delivers precise positioning at low speeds - compatible with common 12-24V DC drivers for bipolar winding