Product Details
The United Abrasives - SAIT 50162 3A fiber disc measures 4-1/2 inches in diameter with a 7/8-inch arbor hole and features an 80 grit aluminum oxide design. This premium aluminum oxide grain is enhanced with a grinding aid that minimizes heat buildup and reduces loading during use. The closed coat structure of the disc allows for increased material removal and improved finishing results. The resin over resin construction provides a strong bond that exhibits resistance to heat and moisture, while the vulcanized fiber backing ensures durability for heavy-duty sanding applications.








