Item # AL-4, Motor Shaft Arbor Standard Type B - Machined Washer
- Type B arbors have a 1/2" diameter threaded portion that is 1-13/16" long which can accommodate wheels up to 1-1/4" wide
- Nut lock type for smooth shafts
- Use for mounting various wheels
- Arbor is secured to smooth motor shafts with socket set screws