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Omega Products ER20 Collet Standard Precision - 10 Micron Run-Out - 1mm - 0.5mm
| Collet Size | ER20 |
| Clamping Size | 1.0-0.5 |
Learn more about Klarna
Meet the Omega ER20 Collet Standard Precision—the dependable core of precise machining. Engineered for smooth, repeatable clamping in ER20 collet chucks, this collet delivers consistently accurate results across every run. With a tight 10 micron run-out, it minimizes eccentricity and delivers a true, concentric grip on round cutting tools, shims, and shanks for general purpose milling and drilling.
Why this ER20 Collet stands out
- 10 micron run-out for superior concentric gripping, enhancing tool life, surface finish, and dimensional accuracy.
- Standard ER20 interface ensures broad compatibility with common milling machines and spindle chucks already in your shop.
- Rigid, repeatable clamping design resists wear and maintains consistency through repeated tool changes and heavy cuts.
- General-purpose machining ready—ideal for a wide range of applications from light milling to precise drilling where accuracy matters.
- Reliable performance you can count on for everyday shop tasks, from prototyping to small-batch production.
Practical benefits for your workflow
Choosing a high-precision ER20 collet directly impacts the quality of your work. The 10 µm run-out minimizes tool deflection that can cause chatter, waviness, or oversized tolerances. This means tighter part tolerances, cleaner tool paths, and a more predictable machining process—whether you’re engraving, contouring, or pocketing on a CNC mill, or performing precise deburring and finishing tasks.
Who benefits most
Ideal for hobbyists upgrading their CNC setup, small shops refining repeatability, and professionals who need dependable, everyday precision. If your workflow relies on consistent grip and minimal run-out when using round tooling with an ER20 chuck, this collet is a strong, practical upgrade.
Care and best practices
- Keep the collet and chuck interface clean to preserve accuracy and seating.
- Insert the tool shank fully and tighten evenly to minimize run-out and wear.
- Periodically verify run-out with a suitable measuring method to ensure ongoing precision.
| Collet Size | ER20 |
| Clamping Size | 1.0-0.5 |
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 ER20 Collets Standard Precision - 10 Micron Run-Out
View full collection →You are viewing OM32144. Click any other SKU to view its full details.
| Product SKU | Collet Size | Clamping Size | Price | Stock | Order |
|---|---|---|---|---|---|
| OM32144 Viewing | ER20 | 1.0-0.5 | £8.52 | In Stock | |
| OM32145 | ER20 | 1.5-1.0 | £8.52 | In Stock | |
| OM32132 | ER20 | 2.0-1.5 | £6.41 | In Stock | |
| OM32146 | ER20 | 2.5-2.0 | £7.86 | In Stock | |
| OM32133 | ER20 | 3.0-3.5 | £6.41 | In Stock | |
| OM32147 | ER20 | 3.5-2.5 | £7.86 | In Stock | |
| OM32134 | ER20 | 4.0-3.0 | £6.41 | In Stock | |
| OM32148 | ER20 | 4.5-3.5 | £7.86 | In Stock | |
| OM32135 | ER20 | 5.0-4.0 | £6.41 | In Stock | |
| OM32136 | ER20 | 6.0-5.0 | £6.41 | In Stock | |
| OM32137 | ER20 | 7.0-6.0 | £6.41 | In Stock | |
| OM32138 | ER20 | 8.0-7.0 | £6.41 | In Stock | |
| OM32139 | ER20 | 9.0-8.0 | £6.41 | In Stock | |
| OM32140 | ER20 | 10.0-9.0 | £6.41 | In Stock | |
| OM32141 | ER20 | 11.0-10.0 | £6.41 | In Stock | |
| OM32142 | ER20 | 12.0-11.0 | £6.41 | In Stock | |
| OM32143 | ER20 | 13.0-12.0 | £6.41 | In Stock | |
| OM33038 | ER20 | 13.5-13.3 | £18.52 | In Stock | |
| OM33039 | ER20 | 14.0-13.8 | £18.52 | Next Day | |
| OM33040 | ER20 | 14.5-14.3 | £18.52 | In Stock | |
| OM33041 | ER20 | 15.0-14.8 | £18.52 | In Stock | |
| OM33042 | ER20 | 15.5-15.3 | £18.52 | In Stock | |
| OM33043 | ER20 | 16.0-15.8 | £18.52 | In Stock |
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