Product Details
The United Abrasives - SAIT 50147 3A fiber disc measures 4-1/2" x 7/8" and features a 120 grit aluminum oxide composition. This premium aluminum oxide grain is enhanced with a grinding aid, designed specifically to minimize heat build-up and reduce loading during use. The disc has a closed coat structure that facilitates more effective material removal and improved finishing quality. Its resin over resin construction provides a strong bond that resists both heat and moisture, ensuring durability. Additionally, the disc is backed with vulcanized fiber, making it suitable for heavy-duty sanding applications.








