BRM C-3, Copper Center Wheel Brushes, 3″ Diameter, .008 Carbon Steel Wire, 1/2″ Arbor Hole, Max. Safe Free Speed (RPM): 20,000. -Small diameter wheels are much easier to control in hand applications and do not push away from the work like larger diameter brushes. They make excellent tube brushes and can be stacked together to make wider face widths.








