ITEM NAME:775 DC Engraving Machine Spindle Motor 12-36V Ball Bearing Spindle Motor wi J6B9 775 DC Engraving Machine Spindle Motor 12-36V Ball Bearing Spindle Motor wi J6B9 Rated Voltage: 24V 12V Load Current: 1.7A (starting current 2.2A) Stall Current: 4.7A Load Power: 20.4W Speed: 10000 rev/min Terminal Spacing: approx. 34mm Mounting Hole Pitch: approx. 29mm Installation Hole Diameter: M4 for 1610/ 2417/ 3018 CNC Router Machine Material:40CR colour:black + Silver Package Contents: 1 * motor (about 5cm long) 1 * ER11 extension pole 1 * spring collet (3.175mm) 1 * carving knife (3.175mm).Speed: 10000 rev/min. 1 motor (about 5cm long). colour:black + Silver. Load Power: 20.4W.