Semi-flexible discs
Mercer’s Aluminum Oxide Semi-Flexible Discs are ideal for aggressive grinding on aluminum, copper, bronze and stainless steel.
The unique, lightweight spiral design permits the discs to run cooler, prevent loading, and grind on irregular surfaces. The 4 1/2-inch and 7-inch discs are available in grits from 16 to 120 and are economical and efficient.