PET-U 100Pcs Flap Disc 4-1/2 Inch 40 Grit Zirconia Type 29 Abrasive Grinding Wheel and Flap Sanding Disc 7/8 Inch Arbor

The flap disc sanding grinding has diameter of 4-1/2 inch and has 7/8 inch arbor hole size with a maximum rotation speed of 13300RPM and grit type is 40. Flap discs uses high-quality zirconia as its raw material for excellent wear resistance and durability. Compared with alumina material, zirconia abrasive can carry out more powerful cutting and its longer service life, can greatly reduce the use of cost. The zirconia flap disc sanding grinding can used for fast and durable cutting and finishing applications. Flap discs can be applied to stainless steel, or can be milled and polished on mild steel or metals.