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Omega Products ER Collet Extension - Mini Nut (ER) - Straight Shank - C20 ER25M x 100mm
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Description
The Omega Products ER Collet Extension with Mini Nut and Straight Shank is a compact accessory designed to extend the reach of your ER collet system. It’s ideal for machinists, toolmakers, and hobbyists who need to handle longer workpieces without sacrificing precision.
Featuring a secure mini nut for quick, tool-free tightening and a straight shank for easy integration with common tool holders, this extension (C20, ER25M x 100mm) delivers reliable performance in demanding setups.
- Mini Nut Quick-Connect: Provides a fast, secure connection to ER25M collets, reducing setup time and ensuring repeatable clamping every use.
- Extended 100mm Reach: Adds practical reach for longer parts while preserving rigidity and accuracy in a single setup.
- Durable Straight Shank (C20): Robust construction with a straight shank for easy insertion into standard tool holders, supporting stable, repeatable performance under load.
This ER Collet Extension helps you complete longer projects more efficiently, minimizes handling and tool changes, and maintains consistent results across extended machining tasks. Its compact, reliable design gives you confidence to expand your workflow without compromising accuracy or stability.
Part Numbers
- Protool Part Number
- OM30028
- 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 Extension - Mini Nut (ER) - Straight Shank
View full collection →You are viewing OM30028. Click any other SKU to view its full details.
| Product SKU | Collet Size | Shank Length | Shank Diameter | Price | Stock | Order |
|---|---|---|---|---|---|---|
| OM30001 | ER8 | 55 | 8 | £29.80 | In Stock | |
| OM30494 | ER8 | 100 | 8 | £29.80 | In Stock | |
| OM30002 | ER8 | 100 | 10 | £29.80 | In Stock | |
| OM30003 | ER8 | 150 | 10 | £29.80 | In Stock | |
| OM30495 | ER11 | 100 | 10 | £29.80 | In Stock | |
| OM30006 | ER8 | 55 | 12 | £29.80 | In Stock | |
| OM30005 | ER8 | 120 | 12 | £29.80 | In Stock | |
| OM30175 | ER8 | 150 | 12 | £29.80 | In Stock | |
| OM30176 | ER8 | 200 | 12 | £40.53 | In Stock | |
| OM30004 | ER11 | 80 | 12 | £29.80 | In Stock | |
| OM30136 | ER11 | 150 | 12 | £29.80 | In Stock | |
| OM30147 | ER11 | 200 | 12 | £40.53 | In Stock | |
| OM30009 | ER11 | 50 | 16 | £29.80 | In Stock | |
| OM30007 | ER11 | 100 | 16 | £29.80 | In Stock | |
| OM30008 | ER11 | 150 | 16 | £29.80 | In Stock | |
| OM30011 | ER16 | 50 | 16 | £29.80 | In Stock | |
| OM30496 | ER16 | 100 | 16 | £29.80 | In Stock | |
| OM30017 | ER16 | 60 | 20 | £29.80 | In Stock | |
| OM30015 | ER16 | 100 | 20 | £29.80 | In Stock | |
| OM30016 | ER16 | 150 | 20 | £29.80 | In Stock | |
| OM30096 | ER16 | 200 | 20 | £40.53 | In Stock | |
| OM30099 | ER16 | 300 | 20 | £57.22 | In Stock | |
| OM30024 | ER20 | 50 | 20 | £29.80 | In Stock | |
| OM30021 | ER20 | 100 | 20 | £29.80 | In Stock | |
| OM30022 | ER20 | 150 | 20 | £29.80 | In Stock | |
| OM30023 | ER20 | 200 | 20 | £40.53 | In Stock | |
| OM30028 Viewing | ER25 | 100 | 20 | £29.80 | In Stock | |
| OM30139 | ER16 | 70 | 22 | £40.53 | In Stock | |
| OM30000 | ER20 | 100 | 22 | £40.53 | In Stock | |
| OM30036 | ER20 | 60 | 25 | £29.80 | In Stock | |
| OM30034 | ER20 | 100 | 25 | £29.80 | In Stock | |
| OM30035 | ER20 | 150 | 25 | £29.80 | In Stock | |
| OM30140 | ER20 | 100 | 32 | £50.07 | In Stock |
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