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Omega Products ER Collet Extension - Castle Nut (UM) - Straight Shank - C20 ER25 x 100mm
| Collet Size | ER25 |
| Shank Length | 100 |
| Shank Diameter | 20 |
Learn more about Klarna
The Omega Products ER Collet Extension with Castle Nut (UM) and Straight Shank is a purpose-built accessory designed to extend the reach of your ER collet system. Sized for C20 ER25 configurations and a 100 mm extension length, it delivers durable, precise performance in a range of milling, drilling, and precision machining tasks.
With a castle nut design for a secure, adjustable connection and a straight shank for easy insertion into a variety of tool holders and setups, this extension helps you tackle longer workpieces without sacrificing accuracy or stability.
- Secure, adjustable castle nut connection: Ensures a reliable grip with quick adjustments, reducing tool chatter and delivering repeatable clamping every time.
- Straight shank for versatile compatibility: Enables easy installation across a wide range of tool holders and machining setups, speeding up setup time and improving alignment.
- Extended reach for longer workpieces: Adds 100 mm of reach to your ER collet setup while preserving rigidity and precision, expanding your machining capabilities without compromising quality.
This ER collet extension helps you streamline workflows, reduce downtime from frequent setups, and maintain high-precision results on longer parts. Built for dependable performance in demanding shop environments, it integrates smoothly with existing ER collet systems to enhance overall efficiency and reliability.
| Collet Size | ER25 |
| Shank Length | 100 |
| Shank Diameter | 20 |
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 ER Collet Extensions - Castle Nut (UM) - Straight Shank
View full collection →You are viewing OM30029. Click any other SKU to view its full details.
| Product SKU | Collet Size | Shank Length | Shank Diameter | Price | Stock | Order |
|---|---|---|---|---|---|---|
| OM30027 | ER20 | 50 | 20 | £29.80 | In Stock | |
| OM30025 | ER20 | 100 | 20 | £29.80 | In Stock | |
| OM30026 | ER20 | 150 | 20 | £29.80 | In Stock | |
| OM30030 | ER25 | 50 | 20 | £29.80 | In Stock | |
| OM30029 Viewing | ER25 | 100 | 20 | £29.80 | In Stock | |
| OM30032 | ER32 | 50 | 20 | £29.80 | In Stock | |
| OM30031 | ER32 | 100 | 20 | £29.80 | In Stock | |
| OM30033 | ER16 | 150 | 25 | £29.80 | In Stock | |
| OM30037 | ER20 | 150 | 25 | £29.80 | In Stock | |
| OM30039 | ER25 | 50 | 25 | £29.80 | In Stock | |
| OM30038 | ER25 | 100 | 25 | £29.80 | In Stock | |
| OM30265 | ER25 | 150 | 25 | £29.80 | Next Day | |
| OM30137 | ER25 | 200 | 25 | £40.53 | In Stock | |
| OM30041 | ER32 | 50 | 25 | £29.80 | In Stock | |
| OM30040 | ER32 | 100 | 25 | £29.80 | In Stock | |
| OM30497 | ER32 | 200 | 25 | £40.53 | In Stock | |
| OM30042 | ER40 | 50 | 25 | £35.76 | In Stock | |
| OM30171 | ER25 | 100 | 32 | £29.80 | In Stock | |
| OM30044 | ER32 | 50 | 32 | £29.80 | In Stock | |
| OM30045 | ER32 | 60 | 32 | £29.80 | In Stock | |
| OM30043 | ER32 | 100 | 32 | £29.80 | In Stock | |
| OM30046 | ER40 | 50 | 32 | £35.76 | In Stock | |
| OM30369 | ER25 | 100 | 40 | £40.53 | Next Day | |
| OM30048 | ER32 | 85 | 40 | £40.53 | In Stock | |
| OM30047 | ER32 | 100 | 40 | £40.53 | In Stock |
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