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Omega Products Castleated Spanner/Wrench - For ER Collet Chucks with Castle (UM) Nut - ER40
| Collet Size | ER40 |
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Omega Products Castleated Spanners/Wrenches are specialized tools for ER collet chucks with a castle (UM) nut. This two-piece set is designed to deliver precise, secure tightening for ER40 chucks, helping you establish consistent grip and reliable preload.
The castleated profile matches the UM nut exactly, reducing slippage during torque application. The two soft-grip handles are bright red for quick identification and comfortable use in long setups.
- Castle-fit engagement: The castleated design matches the UM nut on ER40 collet chucks for a secure, slip-free tightening every time.
- Ergonomic red soft-grip handles: Bright, comfortable grip reduces hand fatigue and improves control through the tightening cycle.
- Two-piece, purpose-built set: Keeps your toolkit organized and ensures quick access when you’re aligning and securing ER40 chucks in busy workshops.
With these spanners, you’ll tighten ER collet chucks quickly and accurately, improving setup time and reducing the risk of overtightening or misalignment. The precise fit protects the castle nut and chuck from wear, while the ergonomic handles lighten the workload across frequent setups, delivering repeatable clamping forces for dependable results.
| Collet Size | ER40 |
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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