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Omega Products ER40 Collet Standard Precision - 10 Micron Run-Out - 18mm - 17mm
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Description
The Omega Products ER40 Collet Standard Precision is engineered to grip round stock with dependable accuracy directly in ER40 collet chucks. Designed for general machining, this collet delivers a consistent clamping force that keeps workpieces centered through milling, drilling, and engraving tasks.
Why choose this ER40 collet?
- 10 micron run-out ensures true concentricity for premium finishes and tighter tolerances.
- Standard precision design built for everyday machining tasks with ER40 collet chucks.
- Reliably clamps round stock, reducing run-out-related tool wear and chatter.
- Suitable for general purpose machining on CNC or manual milling setups.
Benefits in practice
- Improved surface finish and dimensional accuracy due to minimal run-out.
- Consistent repeatability across multiple holes, pockets, or slots.
- Efficient setup: quick clamping with predictable release and re-clamp cycles.
Ideal user scenarios
- Hobbyists and small shops performing milling, drilling, or tapping on round stock.
- Projects requiring reliable concentricity, such as pocketing, contouring, or drilling through-holes.
- Applications where tool paths demand strict centering to minimize deviation.
To maximize performance, use with a compatible ER40 collet chuck and ensure clean, burr-free stock before clamping. Regularly inspect run-out and keep the collet interface free of chips and debris for consistent gripping over time.

Part Numbers
- Protool Part Number
- OM32342
- 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 ER40 Collets Standard Precision - 10 Micron Run-Out
View full collection →You are viewing OM32342. Click any other SKU to view its full details.
| Product SKU | Collet Size | Clamping Size | Price | Stock | Order |
|---|---|---|---|---|---|
| OM32351 | ER40 | 2.0-1.5 | £13.65 | In Stock | |
| OM32352 | ER40 | 2.5-2.0 | £13.65 | In Stock | |
| OM32327 | ER40 | 3.0-2.0 | £7.31 | In Stock | |
| OM32353 | ER40 | 3.5-2.5 | £11.46 | In Stock | |
| OM32328 | ER40 | 4.0-3.0 | £7.31 | In Stock | |
| OM32354 | ER40 | 4.5-3.5 | £11.46 | In Stock | |
| OM32329 | ER40 | 5.0-4.0 | £7.31 | In Stock | |
| OM32330 | ER40 | 6.0-5.0 | £7.31 | In Stock | |
| OM32331 | ER40 | 7.0-6.0 | £7.31 | In Stock | |
| OM32332 | ER40 | 8.0-7.0 | £7.31 | In Stock | |
| OM32333 | ER40 | 9.0-8.0 | £7.31 | In Stock | |
| OM32334 | ER40 | 10.0-9.0 | £7.31 | In Stock | |
| OM32335 | ER40 | 11.0-10.0 | £7.31 | In Stock | |
| OM32336 | ER40 | 12.0-11.0 | £7.31 | In Stock | |
| OM32337 | ER40 | 13.0-12.0 | £7.31 | In Stock | |
| OM32338 | ER40 | 14.0-13.0 | £7.31 | In Stock | |
| OM32339 | ER40 | 15.0-14.0 | £7.31 | In Stock | |
| OM32340 | ER40 | 16.0-15.0 | £7.31 | In Stock | |
| OM32341 | ER40 | 17.0-16.0 | £7.31 | In Stock | |
| OM32342 Viewing | ER40 | 18.0-17.0 | £7.31 | In Stock | |
| OM32343 | ER40 | 19.0-18.0 | £7.31 | In Stock | |
| OM32344 | ER40 | 20.0-19.0 | £7.31 | In Stock | |
| OM32345 | ER40 | 21.0-20.0 | £7.31 | In Stock | |
| OM32346 | ER40 | 22.0-21.0 | £7.31 | In Stock | |
| OM32347 | ER40 | 23.0-22.0 | £7.31 | In Stock | |
| OM32348 | ER40 | 24.0-23.0 | £7.31 | In Stock | |
| OM32349 | ER40 | 25.0-24.0 | £7.31 | In Stock | |
| OM32350 | ER40 | 26.0-25.0 | £7.31 | In Stock | |
| OM33056 | ER40 | 27.0-26.8 | £20.83 | In Stock | |
| OM33057 | ER40 | 28.0-27.8 | £20.83 | In Stock | |
| OM33058 | ER40 | 29.0-28.8 | £20.83 | In Stock | |
| OM32355 | ER40 | 30.0-29.8 | £20.24 | In Stock | |
| OM33060 | ER40 | 31.0-30.8 | £20.83 | In Stock | |
| OM32356 | ER40 | 32.0-31.8 | £20.24 | In Stock |
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