The PHB86K Series NEMA 34 2-phase round stepper motors offer 1.8° step angle with ±5% full-step accuracy, high acceleration, low noise, and high-inertia design for precise, stable motion. Optional brake, encoder, gearbox available. Shaft radial/axial play ≤0.02/0.08 mm, temperature rise max 80°C, insulation ≥100 MΩ, dielectric strength 1500 VAC/1 min. Available in 63–122 mm lengths, these motors support bipolar-parallel or bipolar-series wiring and are ideal for CNC machines, automation, textile machines, and industrial applications requiring high torque, smooth movement, and reliability.