Portable flap wheels were made by bonding radial flaps of abrasive into a hub fitted with a spindle shank. These were intended for use with electric drills and were limited to a maximum speed of around 1,000 rpm. Specifications of Flap Wheel Abrasive Sanding Wheels With ...
On the long shank flap wheel, the flap made of coated abrasive is arranged radially around the tool axis in a fan-shaped structure. Their flexibility enables them to fully adapt to the contour of the workpiece. Abrasive particles are embedded in a strong and flexible cloth ...