Puly DC 775 Motor 24V 20000RPM 775 Motor Ball Bearing Large Torque High Power Low Noise DC Motor for Electrical Tools 2-Pack?with Bracket?

? The following are the measured parameters of the motor for reference:Rated voltage:24VRated current: 4A, 10A, 12A (recommended starting current 10A)Rated speed: about 12 24V Max 20000RPMMotor step height: 4.5mmMotor step diameter: 17.5mmShaft length: 16mm (shaft length above step level)Shaft diameter: 5mm shaftMotor diameter: 42mmMotor length: 66.5mmStep height of motor tail: about 7mmLength of shaft out of motor tail: about 4.5mmMounting hole pitch: about 29mmMounting hole diameter: M4 screwMotor weight: about 480g(1 x 775 Motor 1x Motor bracket)? Package included:2 x 775 Motor2x Motor bracket4x Fixing screw? Notes:1. Manual measuring, please allow 1 ~ 3mm error,thank you.2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We the style is the same as shown in the picture.