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Omega Products BT40 ER Collet Chuck - Mini Type ER11 - 20,000RPM - G2.5 - 70mm Gauge Length - Form AD
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Description
The Omega BT40 ER Collet Chuck, Mini Type for ER11 tooling, is a compact, high-precision tool holder designed for BT40 spindle systems. It delivers fast tool changes and reliable performance up to 20,000 RPM, with a 70 mm gauge length and Form AD interface for seamless integration in your CNC setup.
- Mini design for BT40 spindles: A compact, lightweight tool holder that minimizes overhang and improves balance during high-speed machining.
- ER11 collet system: Secure tool gripping with quick-change capability to reduce downtime between tools.
- High-speed capability: Supports machining up to 20,000 RPM for efficient production and fine finishes.
- Precision tolerance: G2.5 rating ensures tight concentricity and minimal runout for accurate cuts.
- Gauge length: 70 mm gauge length provides stable engagement and rigidity in the spindle.
- Form AD interface: Standard Form AD configuration for reliable compatibility with BT40 spindles and tooling.
With its precise grip and low-overhang design, this ER11 mini chuck helps you achieve cleaner holes, smoother milling finishes, and tighter tolerances across materials. The combination of a robust G2.5 precision class and a high-speed 20,000 RPM capability makes it well-suited for small-diameter milling, engraving, and precise drilling tasks in automation-friendly setups. The quick-change ER collet system reduces setup time, keeping your workflow moving and your throughput high without compromising accuracy.
Part Numbers
- Protool Part Number
- OM31334
- 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 BT40 ER Collet Chucks - Mini Type - 20,000RPM - G2.5
View full collection →You are viewing OM31334. Click any other SKU to view its full details.
| Product SKU | Taper | Collet Size | Gauge Length | Form | Balance | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|
| OM31334 Viewing | BT40 | ER11 | 70 | AD | G2.5@20000RPM | £42.40 | In Stock | |
| OM31636 | BT40 | ER11 | 70 | AD/B | G2.5@20000RPM | £51.94 | In Stock | |
| OM31335 | BT40 | ER11 | 100 | AD | G2.5@20000RPM | £42.40 | Next Day | |
| OM31637 | BT40 | ER11 | 100 | AD/B | G2.5@20000RPM | £51.94 | In Stock | |
| OM31638 | BT40 | ER11 | 160 | AD/B | G2.5@20000RPM | £83.81 | In Stock | |
| OM30298 | BT40 | ER16 | 70 | AD | G2.5@20000RPM | £42.82 | In Stock | |
| OM31639 | BT40 | ER16 | 70 | AD/B | G2.5@20000RPM | £51.94 | In Stock | |
| OM31336 | BT40 | ER16 | 100 | AD | G2.5@20000RPM | £42.40 | In Stock | |
| OM31640 | BT40 | ER16 | 100 | AD/B | G2.5@20000RPM | £51.94 | In Stock | |
| OM31641 | BT40 | ER16 | 160 | AD/B | G2.5@20000RPM | £83.81 | In Stock | |
| OM30287 | BT40 | ER16 | 200 | AD | G2.5@20000RPM | £106.09 | Next Day |
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