This metal hub can be used to connect a load (wheel, pulley, etc) to an axle or our DC Motors. It has a diameter of 30mm and is perfect for robotics and science projects. It has 4 screw holes which can be used to attach it to a load. It comes with a 6mm bore and a setscrew which can be used to tightly fix it to an axle.
Used to connect a load(pulley, wheel) and axle, motor
Holes: 4 Holes for mounting