Catalog number: FSF4020 Features: ● Wool felt flap type, so oily abrasives (such as blue sticks) adhere well, greatly improving work efficiency. ● Excellent flexibility, adapts well to the shape of the workpiece, polishes evenly and gives a beautiful shine. ● Can be used for all types of finishing polishing, including internal surfaces, curved surfaces, and flat surfaces. Applications: ● For finishing and wiping. ● Apply abrasives to give metal a mirror finish. Specifications: ● Outer diameter (mm): 40 ● Width (mm): 20 ● Shaft diameter (mm): 6 ● Shaft length (mm): 40 ● Maximum operating speed (rpm): 9000 ● Number of blades (pieces): Approximately 31 Material/Finish: ● Shaft: Steel (S45C)
