89 to 2.48 have assembly hole for ball and spring.
Pilot hole (d6) to assemble to shaft with spring pin; can be enlarged or tapped for installation of a set screw.
| J. W. Winco, Inc. | |
|---|---|
| Product Category | Control Knobs |
| Product Name | EN 526 |
| Knob Type | Instrument / Control Knob (optional feature) |