Depressed center grinding wheel designed specifically for grinding non-ferrous metals including aluminum, brass, and copper. Aluminum oxide grit with premium resin bond delivers professional results on softer metals without loading or glazing.

• Type 27 depressed center design
• Aluminum oxide grit with premium resin bond (A30N spec)
• For grinding non-ferrous metals: aluminum, brass, copper
• Fiberglass reinforced for safety and durability
• Maximum safe speed: 13,300 RPM
• Fits standard 4-1/2" angle grinders with 7/8" arbor
• Wheel diameter: 4-1/2", thickness: 1/4"