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Omega Products Castleated Spanner/Wrench - For ER Collet Chucks with Castle (UM) Nut - ER50
| Collet Size | ER50 |
Learn more about Klarna
Omega Products Castleated Spanners/Wrenches are specialized tools designed to provide precise and secure tightening for ER collet chucks that use a castle (UM) nut. Specifically sized for ER50 chucks, these wrenches ensure a confident fit and reliable operation during setup and maintenance.
- Castleated engagement with UM nut: The unique castleated design matches the castle (UM) nut on ER collet chucks for clean, slip-free alignment during tightening.
- Precise tightening with secure grip: Designed to transfer torque smoothly to the nut, helping maintain accurate seating of the collet and reducing the risk of misalignment.
- Durable, tool‑built for ER50 chucks: Constructed for daily shop use, delivering consistent performance and long service life with ER50 applications.
These spanners/wrenches help you work more efficiently by delivering reliable engagement and steady, repeatable results. They support faster setup, tighter and more consistent clamping, and less downtime when servicing ER collet chucks.
| Collet Size | ER50 |
What time are Protool open?
We are open Monday to Friday between 8:30am and 5pm.
Do you offer Free Next Day delivery?
Yes! We offer Free Next Day delivery via Royal Mail Tracked 24 on all orders over £50 ex VAT*. We also offer Free DPD Local Next Day delivery on all orders over £100 ex VAT*.
We also offer the following:
- Royal Mail Tracked 24 — £5.90 (FREE on orders over £50 ex VAT*). Order before 4:30pm for next day delivery. No signature required.
- DPD Local Next Day — £8.00 (FREE on orders over £100 ex VAT*). Standard next day delivery to UK mainland addresses.
- Royal Mail Special Delivery — £12.50. Guaranteed delivery before 1pm the next working day.
- DPD Saturday Delivery — £25.00. Must be ordered on Friday before 4pm. Pre-12pm delivery.
For delivery to Scottish Highlands & Islands, Northern Ireland, Republic of Ireland, or overseas locations, additional charges apply. Please see our delivery page for full details, or call us on 01732 887 334.
*T's & C's and exclusions apply. Please see our delivery page for more information on all our services.
Full Range: Omega Products Castleated Spanners/Wrenches - For ER Collet Chucks with Castle (UM) Nut
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