Resin Fiber Grinding Discs Zirconia 4-1/2" x 7/8" (50 Grit, 25 Pack)

4-1/2" x 7/8" Zirconia discs are the workhorse of the fiber disc world. Zirconia re-fractures for longer life when used in high pressure applications like stock removal on Chrome and chrome-nickel steel or high-alloy steel. Used for applications that include blending, de-burring and weld removal. Generally lasts twice as long as an aluminum oxide disc when used in the proper application. 25 discs per box.

• 4-1/2" x 7/8" long lasting abrasive used for metal applications
• Zirconia grain with a .030 thick vulcanized fiber backing
• Removes small welds and imperfections along with light stock removal, blending and finishing
• Generally lasts twice as long as an aluminum oxide disc when used in the proper application
• Use in place of a grinding wheel on a right angle grinder