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Omega Products ER25 Collet Standard Precision - 10 Micron Run-Out - 5mm - 4mm
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Description
Meet the Omega ER25 Collet Standard Precision — a compact, high-precision clamping solution designed to keep your small-diameter workpieces and tools perfectly aligned in every cut. Built for dependable toolholding in everyday machining, it delivers repeatable accuracy you can trust from part to part.
Key features focused on real-world performance:
- 10 micron run-out for exceptional concentricity, helping you achieve cleaner finishes and tighter tolerances on milling, drilling, and engraving tasks.
- ER25 compatibility—designed to clamp securely in standard ER25 collet chucks, enabling quick setup and reliable toolholding across a range of small-diameter applications.
- Precision-ground internals with evenly distributed clamping force across all segments, reducing tool deflection and vibration for straighter cuts and improved surface finish.
- Durable, hardened steel construction built to withstand frequent Tooling changes and demanding shop environments while maintaining tight tolerances over time.
- Consistent performance in general-purpose machining—a dependable choice for hobbyists and professionals working on small components, fixtures, and micro-machining projects.
Who it's for:
- Machinists and CNC operators who require reliable, repeatable clamping for small-diameter tools and workpieces.
- Workshop setups where quick, precise tool changes and minimized run-out translate to better throughput and finish quality.
- Engineers and hobbyists tackling micro-machining tasks, from precision holes to fine features on small parts.
Practical tips to get the most out of your ER25 Collet:
- Always seat the collet fully into the chuck before tightening to ensure even contact and the best possible run-out performance.
- Use the collet for standard, round stock and tools within the ER25 range to maintain concentricity and repeatability across operations.
- Keep the internal surfaces clean and free of debris to preserve clamping accuracy over time.
Elevate your precision machining with the Omega ER25 Collet Standard Precision — the smart, dependable choice for clean cuts, tight tolerances, and repeatable results in everyday metalworking and micro-machining workflows.
Part Numbers
- Protool Part Number
- OM32190
- Brand
- Omega
- Category
- ER Collet
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 ER25 Collets Standard Precision - 10 Micron Run-Out
View full collection →You are viewing OM32190. Click any other SKU to view its full details.
| Product SKU | Collet Size | Clamping Size | Price | Stock | Order |
|---|---|---|---|---|---|
| OM32186 | ER25 | 1.0-0.5 | £9.45 | In Stock | |
| OM32202 | ER25 | 1.5-1.0 | £11.35 | In Stock | |
| OM32187 | ER25 | 2.0-1.0 | £5.96 | In Stock | |
| OM32203 | ER25 | 2.5-2.0 | £9.17 | In Stock | |
| OM32188 | ER25 | 3.0-2.5 | £5.96 | In Stock | |
| OM32204 | ER25 | 3.5-2.5 | £9.17 | In Stock | |
| OM32189 | ER25 | 4.0-3.0 | £5.96 | In Stock | |
| OM32205 | ER25 | 4.5-3.5 | £9.17 | In Stock | |
| OM32190 Viewing | ER25 | 5.0-4.0 | £5.96 | In Stock | |
| OM32191 | ER25 | 6.0-5.0 | £5.96 | In Stock | |
| OM32192 | ER25 | 7.0-6.0 | £5.96 | In Stock | |
| OM32193 | ER25 | 8.0-7.0 | £5.96 | In Stock | |
| OM32194 | ER25 | 9.0-8.0 | £5.96 | In Stock | |
| OM32195 | ER25 | 10.0-9.0 | £5.96 | In Stock | |
| OM32196 | ER25 | 11.0-10.0 | £5.96 | In Stock | |
| OM32197 | ER25 | 12.0-11.0 | £5.96 | In Stock | |
| OM32198 | ER25 | 13.0-12.0 | £5.96 | In Stock | |
| OM32199 | ER25 | 14.0-13.0 | £5.96 | In Stock | |
| OM32200 | ER25 | 15.0-14.0 | £5.96 | In Stock | |
| OM32201 | ER25 | 16.0-15.0 | £5.96 | In Stock | |
| OM33044 | ER25 | 16.5-16.3 | £18.52 | In Stock | |
| OM33045 | ER25 | 17.0-16.8 | £18.52 | In Stock | |
| OM33046 | ER25 | 17.5-17.3 | £18.52 | In Stock | |
| OM33047 | ER25 | 18.0-17.8 | £18.52 | In Stock | |
| OM33048 | ER25 | 18.5-18.3 | £18.52 | In Stock | |
| OM33049 | ER25 | 19.0-18.8 | £18.52 | In Stock | |
| OM33050 | ER25 | 19.5-19.3 | £18.52 | In Stock | |
| OM33051 | ER25 | 20.0-19.8 | £18.52 | In Stock |
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