- Drums with internal threaded bore for mounting on threaded shafts. Rubber expansion drums are ideal for motors, grinders, flex shafts & bench mandrels. The rubber expansion is controlled by tightening/loosening the hex nut.
| Drum Dia. | 3 in |
| Width | 3 in |
| Thread Direction | Right-Hand |
| Thread Size | 5/8-11 |
| Weight | 1.16 LB |
| EAN or UPC | 44861030059 |

