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Omega Products BT40 ER Collet Chuck - Mini Type ER16 - 20,000RPM - G2.5 - 70mm Gauge Length - Form AD
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Description
The Omega BT40 ER Collet Chuck (Mini Type) is a compact, high-precision toolholder designed for BT40 spindle systems. It delivers reliable tool clamping, rapid ER collet changes, and consistent performance at high speeds up to 20,000 RPM.
- BT40 Mini Type design: Lightweight, balanced toolholder with a compact footprint to fit tight spindle envelopes.
- ER16 collet system: Quick, secure tool changes with a versatile range of cutting tools for diverse jobs.
- 20,000 RPM maximum: Suited for high-speed milling, drilling, and finishing applications.
- G2.5 precision: Tight concentricity and minimal runout for accurate machining and superior surface finish.
- 70mm gauge length: Stable support and rigidity for short tooling, enhancing accuracy and tool life.
- Form AD mounting: Standardized BT40 interface for reliable integration with compatible spindles and tooling systems.
This mini ER collet chuck is ideal for shops needing strong toolholding in a compact package. Its lightweight build reduces overhang, improving balance and reducing vibration in high-speed operations. The ER16 system enables efficient tool changes, helping to keep production cycles tight while delivering consistent runout control for precise cuts across steel, aluminum, and nonferrous materials. Whether you’re performing pocketing, contour milling, or precision drilling, this BT40 Form AD chuck offers dependable performance in a compact form factor that fits your BT40 spindle workflow.
Part Numbers
- Protool Part Number
- OM30298
- 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 OM30298. Click any other SKU to view its full details.
| Product SKU | Taper | Collet Size | Gauge Length | Form | Balance | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|
| OM31334 | 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 Viewing | 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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