Quick Change Disc Backup Pad: TR, 4 in Dia, 5/8"-11 Internal-Thread, Extra Hard Density
Item: 20RW50, MFR: 83980, Brand: 3M
| Compatible Abrasive Type | Quick-Change Sanding Discs, Quick-Change Surface-Conditioning Discs |
| Abrasive Mounting Quick Change System | TR |
| Overall Diameter | 4 in |
| Connector Size | 5/8"-11 |
| Tool Connection Type | Internal-Thread |
| Density | Extra Hard |
| Maximum Operating Speed | 12,000 RPM |