| SIZE | PART# | GRADE | RPM | PACKAGE |
|---|---|---|---|---|
| 4-1/2”*7/8” | STDB4501 | S/C COARSE | 11,000 | 10 |
| STDR4501 | S/C EXTRA COARSE | 11,000 | 10 | |
| 5”*7/8” | STDB6001 | S/C COARSE | 9,800 | 10 |
| STDR6001 | S/C EXTRA COARSE | 9,800 | 10 | |
| 7”*7/8” | STDB7001 | S/C COARSE | 7,000 | 10 |
| STDR7001 | S/C EXTRA COARSE | 7,000 | 10 |