3M coated 348D PSA disc uses aluminum oxide as the abrasive material and has a diameter of 20 in. 3M incorporates this aluminum oxide material into the PSA disc forming a grit of 40.
| R. S. Hughes Company, Inc. | |
|---|---|
| Product Category | Abrasive Discs |
| Product Number | 051144-88877 |
| Product Name | 3M 348D Coated Aluminum Oxide Disc Coarse Grade 40 Grit - 20 in Diameter - 88877 |
| Type | Aluminum Oxide |
