Precision-machined ER Collet Nut sized to be fully compatible with our Water-Cooled Spindle and all ER20 collet systems. An essential replacement part for any industrial CNC router — keep a spare on hand to minimize downtime.
| Collet System | ER20 Compatible |
| Spindle Compatibility | CNC Parts Pro Water-Cooled Spindle |
| Application | Industrial CNC Routers |
| Grade | Industrial |