Feature: 1. Accuracy Carving: With radial runout of approximately 0.01 to 0.03, this spindle kit is suitable for carving both metal and non metal materials with high accuracy. 2. Integrated Control Box: The power supply and control board are integrated in one control box, with 48V output voltage. Enhanced functionality and safety features include emergency stop, reset, pause, and resume switches. 3. Sturdy Mounting Bracket: The 52mm mounting bracket for the spindle motor clamp is made of premium cast aluminum, ensuring durability and stability for accurate carving work. 4. Extended Carving Time: Equipped with forced air cooling, the CNC carving spindle kit provides excellent heat dissipation, allowing for extended periods of performance without overheating. 5. Versatile Support: Compatible with 42 stepper motors and 48V CNC engraving machines, this kit also supports 12V modules (not included), unlocking a wide range of possibilities for various carving applications. Specification: Item Type: CNC Spindle Motor Kit Material: Aluminum Alloy Spindle Power: 500W Spindle Speed: 11000 RPM Spindle Diameter: Approx. 52mm / 2.05in Output Voltage: 48V Output Current: 10.4A Insulation Strength: 400V Resistance: Approx. >2 Megaohm Maximum Torsion: 0.6 (N.m) . Package List: 1 x Control Box 1 x 500W Spindle Motor 1 x Spindle Motor Cable 4 x Stepper Motor Cable 1 x Power Cable 1 x Spindle Connection Terminal 1 x Chuck 6.35mm 1 x Storage Box 1 x 13mm Open End Wrench 1 x 17mm Open End Wrench 1 x User Manual Note: 1. Connect the spindle to the spindle cable using the spindle connection terminal. Red to red, black to black. 2. When using a single Y axes machine, choose any Y axes interface. 3. If you want to control the spindle motor with G code, select Auto mode; if you want to control the spindle motor with the speed knob, select Manual mode. 4. When using the module, make sure the Pin sequence is consistent. The Pin sequence of our control board is (12V, PWM, GND).