DeVlieg Microbore Boring products are not on the Webstore, for complete product offerings for both DeVlieg Microbore & Universal Engineering products, please refer to our on-line catalog . For items not on the webstore, please call us on our toll free number, or email us at sales@universaldevlieg.com.
For use with ER40 Collet Systems
| Collet Nut | |
| Series | ER40 |
| O.D. Size | 63mm |
| Thread Size | M50 x 1.5mm |
| Max. Nut Tightening Torque | 140 ft/lbs |
| Style | Spanner |



