3M coated 566A 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. The 3M flap disc uses fiberglass for the backing plate.
| R. S. Hughes Company, Inc. | |
|---|---|
| Product Category | Abrasive Discs |
| Product Number | 051141-55422 |
| Product Name | 3M 566A Type 29 Coated Alumina Zirconia Flap Disc - 40 Grit - 4 1/2 in Diameter - 7/8 in Center Hole - 55422 |
| Disc / Backing Type | Cloth; Fiberglass |
