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Omega Products ER Collet Extension - Castle Nut (UM) - Straight Shank - C25 ER40 x 50mm
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Description
The Omega Products ER Collet Extension with Castle Nut (UM) and Straight Shank is a precision accessory that extends the reach of your ER collet setup. Designed for ER40 tooling and a 50mm extension, it adds versatility without sacrificing alignment or stability.
Ideal for machinists, engineers, buyers, tradespeople, hobbyists, and anyone who needs longer reach to handle extended workpieces or deeper pockets, this extension helps you expand your machining envelope while keeping tight tolerances.
- Castle Nut Secure Connection: The castle nut design provides a secure and adjustable connection, allowing you to tighten or loosen the collet as needed.
- Straight Shank for Easy Integration: The straight shank design enables easy insertion into a variety of machining setups and tool holders.
- Extended Reach with Maintained Precision: Extends machining range and accommodates longer workpieces without compromising accuracy or stability.
The ER Collet Extension delivers dependable performance across a range of milling and drilling tasks. By increasing reach while preserving alignment and rigidity, it simplifies setups and helps you achieve consistent, high-quality results on longer parts and deeper pockets.
Part Numbers
- Protool Part Number
- OM30042
- Brand
- Omega
Need cutting data? Call 01732 887334 or email sales@protool-ltd.co.uk.
Delivery
Free UK mainland delivery on orders over £50 ex VAT. In-stock items ordered before 4:30pm are dispatched the same working day. Full delivery information.
Returns
14-day returns on unused stock items in original packaging. Special-order and bespoke tooling is non-returnable. Read our returns policy.
Technical Support
Over 30 years of machining experience behind the counter. Call 01732 887334, Mon–Thurs 8:30–17:30, Fri 8:30–16:30.
Trade Accounts
Credit accounts, contract pricing and scheduled call-off orders available for trade customers. Apply for an account.
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 OM30042. 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 | 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 | In Stock | |
| 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 Viewing | 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 | In Stock | |
| OM30048 | ER32 | 85 | 40 | £40.53 | In Stock | |
| OM30047 | ER32 | 100 | 40 | £40.53 | In Stock |
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