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Omega Products Shrink Fit Collet Extension - Straight Shank - 20mm - To Accept 12mm Shank Tools
| Inside Diameter | 12 |
| Shank Diameter | 20 |
| Nose Diameter | 16 |
| Overall Length | 150 |
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Description
The Omega Products Shrink Fit Collet Extension with a 20 mm straight shank is a precision tool designed to extend reach while preserving rigidity in machining operations. It uses a shrink-fit grip to securely hold 12 mm shank cutting tools, enabling deeper holes and longer milling passes with consistent performance.
The cylindrical shank simplifies installation into a wide range of tool holders and machines. Built for durability and precision, this extension delivers reliable, repeatable results even in demanding industrial or workshop environments.
- Secure shrink‑fit clamping: The shrink-fit design provides a tight, repeatable grip on 12 mm shank tools, supporting stable guiding and consistent cutting performance.
- Extended reach with rigid performance: Adds length to your tool path without sacrificing stiffness, helping with deep hole drilling and extended milling while maintaining finish quality.
- 20 mm straight shank for easy compatibility: The extension accepts standard 12 mm tools and fits into common tool holders and machines for quick, hassle-free setup.
By incorporating this shrink fit extension into your setup, you gain greater versatility and efficiency: you can access hard-to-reach cutting operations, reduce tool changes, and maintain dependable results across challenging jobs. The combination of secure clamping, extended reach, and straightforward installation supports smoother workflows and improved overall machining performance.
Part Numbers
- Protool Part Number
- OM33640
- 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 Extension Chucks Shrink Fit - Cylindrical Shank
View full collection →You are viewing OM33640. Click any other SKU to view its full details.
| Product SKU | Inside Diameter | Shank Diameter | Nose Diameter | Overall Length | G | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|
| OM33628 | 3 | 12 | 8 | 150 | N/A | £79.14 | In Stock | |
| OM33629 | 4 | 12 | 8 | 150 | N/A | £79.14 | In Stock | |
| OM33630 | 3 | 16 | 10 | 150 | N/A | £79.14 | In Stock | |
| OM33631 | 4 | 16 | 10 | 150 | N/A | £79.14 | In Stock | |
| OM33632 | 5 | 16 | 10 | 150 | N/A | £79.14 | In Stock | |
| OM33633 | 6 | 16 | 10 | 150 | M5 | £69.97 | Next Day | |
| OM33634 | 3 | 20 | 10 | 150 | N/A | £79.14 | In Stock | |
| OM33635 | 4 | 20 | 10 | 150 | N/A | £79.14 | In Stock | |
| OM33636 | 5 | 20 | 10 | 150 | N/A | £79.14 | In Stock | |
| OM33637 | 6 | 20 | 10 | 150 | M5 | £69.97 | In Stock | |
| OM33638 | 8 | 20 | 12 | 150 | M6 | £69.97 | In Stock | |
| OM33639 | 10 | 20 | 14 | 150 | M8 | £69.97 | In Stock | |
| OM33640 Viewing | 12 | 20 | 16 | 150 | M10 | £69.97 | In Stock | |
| OM33641 | 8 | 25 | 20 | 150 | M6 | £69.97 | In Stock | |
| OM33642 | 10 | 25 | 20 | 150 | M8 | £69.97 | In Stock | |
| OM33643 | 12 | 25 | 20 | 150 | M10 | £69.97 | In Stock | |
| OM33644 | 14 | 25 | 20 | 150 | M10 | £69.97 | In Stock | |
| OM33645 | 16 | 25 | 22 | 150 | M12 | £69.97 | In Stock | |
| OM33646 | 10 | 32 | 24 | 150 | M8 | £69.97 | In Stock | |
| OM33647 | 12 | 32 | 24 | 150 | M10 | £69.97 | Next Day | |
| OM33648 | 14 | 32 | 27 | 150 | M10 | £69.97 | Next Day | |
| OM33649 | 16 | 32 | 27 | 150 | M12 | £69.97 | In Stock | |
| OM33650 | 18 | 32 | 27 | 150 | M12 | £69.97 | Next Day | |
| OM33651 | 20 | 32 | 27 | 150 | M16 | £69.97 | In Stock |
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