3M 577F Type 29 Flap Disc 30986 - Alumina Zirconia - 4 1/2 in - 80 - Medium

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 80. The threaded arbor attachment allows for easy mounting to the tool or pad. 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.

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