3M™ Flap Disc 577F, T29 4-1/2 in. x 7/8 in. 40 Grit, 10 pk.

?3M coated 577F Type 29 flap disc uses alumina zirconia as the abrasive material and has a diameter of 4 1/2 in. 3M incorporates this alumina zirconia material into the flap disc forming a grit of 40. All abrasive products that rotate or spin, such as the ones in this category, have a maximum speed at which you can run them. This 3M flap disc can be run at a maximum speed of 13300 RPMs. The 3M flap disc uses fiberglass for the backing plate.

SPECIFICATIONS
Brand: 3M
Abrasive Type: Coated
Flap Disc Type: Type 29
Disc Diameter: 4 1/2 in
Abrasive Material: Alumina Zirconia
Series ID: 577F
Grade: Coarse
Grit: 40
Center Hole Size: 7/8 in
Backing Plate Material: Fiberglass
Flap Backing Material: Cloth
Flap Backing Weight: YF
Maximum RPM: 13300
Color: Green
Package Quantity: 10 discs