Z Axis Stepper Motor for Creality K2 K2 Pro M300 3D Printer With Pre-installed Timing Pulley and Fixing Screws

### Model Specific Size For K2 / K2 Pro / M300 Z Axis 42mm square flange, 45mm stack height, mounting hole spacing matches original Z-axis motor seat directly. ### Pre-assembled Standard Timing Pulley Finished synchronous gear fixed on motor shaft, matches original belt pitch for smooth power transmission. ### Complete Set With Matching Mount Screws Pack includes 4pcs fixing bolts together with motor, finish installation without extra fastener purchase. ### High Torque Anti Lost-step Winding Optimized inner coil delivers stable torque, avoid step loss during long-time frequent up-down movement. ### Low Noise & Fast Heat Dissipation Structure Compact laminated stator reduces running noise and improves heat emission for long continuous operation. ### Uniform Rotation Improves Printing Stability Even rotary output prevents bed tilting or shaking to lower layer shifting defects.