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Norton® MERIT® METAL R828 Type 27 Flat 40 Grit Flap Disc measuring 7" Dia X 7/8" is made from zirconia alumina abrasive material that offers maximum cut rate and consistent finish. Durable flap disc with a speed of 8600 RPM has fiberglass backing for added strength and is used primarily on flat surfaces. Disc with 0 - 15 deg flatter angle has standard flap density and is ideal for blending as well as smooth finishing of aluminum, brass, bronze, stainless and carbon steel.
Features
Durable, versatile zirconia alumina abrasive
Conical flap discs have angled flaps and may be used on both contoured and edge work
The angle provides greater surface contact for stock removal on flat surfaces
The best choice when speed is primary considerations
Benefits
Maximum cut rate and life
Consistent finish
Good starting specification when unable to measure performance
