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Omega Products ER11 Collet Standard Precision - 10 Micron Run-Out - 7.5mm - 7.3mm
| Collet Size | ER11 |
| Clamping Size | 7.5-7.3 |
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Meet the Omega ER11 Collet Standard Precision — a dependable, high-precision toolholding solution designed for ER11 collet chucks in CNC mills and precision machines. When you demand concentric accuracy and repeatable results, this collet delivers with a tight 10 micron run-out that keeps cutting forces aligned and surfaces smooth.
Designed for consistent performance, the Omega ER11 Collet offers:
- 10 micron run-out for exceptional concentricity, reducing tool deflection and chatter to produce cleaner cuts and longer tool life.
- Standard precision for ER11 chucks — built to exacting tolerances so tools seat securely and repeatable after every change.
- 7.5 mm – 7.3 mm size range compatibility, providing a reliable grip for tools within this tight diameter band.
- Rugged steel construction with precision-ground internal surfaces and evenly spaced, slotted jaws that bite evenly for uniform clamping force.
- Smooth, repeatable performance — a core requirement for precision milling of aluminum, brass, and plastics where surface finish matters.
Why this matters in real work settings:
- In CNC milling, even small run-out can translate into irregularities at the cut edge. The Omega ER11 Collet minimizes this risk, helping you achieve tighter tolerances without increasing cycle times.
- For hobbyist setups and professional shops alike, consistent clamping across changes means fewer recalibrations and predictable results—especially valuable when running small-diameter end mills or drills.
- Compared to lower-precision alternatives, this collet keeps tools centered longer, reducing wear on both the tool and the chuck over time.
How to get the best out of your Omega ER11 Collet
- Clean both the tool shank and the collet bore before insertion to ensure full seating and accurate run-out performance.
- Insert the tool evenly and hand-tighten, then finish with your standard wrench to the manufacturer’s recommended torque for ER11 systems.
- Avoid overheating during prolonged cuts; let the tool cool between aggressive passes to preserve tolerance and surface finish.
- Store collets in a clean, dry environment to prevent corrosion and keep tolerances intact for long-term use.
The Omega ER11 Collet Standard Precision is ideal for shops and workbenches where reliable, repeatable toolholding matters most. Whether you’re refining small features on plastic parts or achieving precise passes on light metals, this collet helps you maintain accuracy from the first cut to the last.

| Collet Size | ER11 |
| Clamping Size | 7.5-7.3 |
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 ER11 Collets Standard Precision - 10 Micron Run-Out
View full collection →You are viewing OM33032. Click any other SKU to view its full details.
| Product SKU | Collet Size | Clamping Size | Price | Stock | Order |
|---|---|---|---|---|---|
| OM32030 | ER11 | 1.0-0.5 | £8.95 | In Stock | |
| OM32031 | ER11 | 1.5-1.0 | £8.95 | In Stock | |
| OM32032 | ER11 | 2.0-1.5 | £7.43 | In Stock | |
| OM32033 | ER11 | 2.5-2.0 | £7.43 | In Stock | |
| OM32034 | ER11 | 3.0-2.5 | £7.43 | In Stock | |
| OM32035 | ER11 | 3.5-3.0 | £7.43 | In Stock | |
| OM32036 | ER11 | 4.0-3.5 | £7.43 | In Stock | |
| OM32037 | ER11 | 4.5-4.0 | £7.43 | In Stock | |
| OM32038 | ER11 | 5.0-4.5 | £7.43 | In Stock | |
| OM32039 | ER11 | 5.5-5.0 | £7.43 | In Stock | |
| OM32040 | ER11 | 6.0-5.5 | £7.43 | In Stock | |
| OM32041 | ER11 | 6.5-6.0 | £7.43 | In Stock | |
| OM32042 | ER11 | 7.0-6.5 | £7.43 | In Stock | |
| OM33032 Viewing | ER11 | 7.5-7.3 | £18.52 | In Stock | |
| OM33033 | ER11 | 8.0-7.8 | £18.52 | In Stock |
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