Please log in here to access all benefits, including promotional discounts and faster checkouts.

Omega Products Dual Contact DCBT40 ER11 Mini Nut Collet Chuck - G2.5 - 25,000RPM - 70mm Gauge Length
| Taper | DCBT40 |
| Collet Size | ER11 |
| D1 | 16 |
| Nut | ER11 Mini (OM31414) |
| G | M6x1 |
| Gauge Length (L) | 70 |
Learn more about Klarna
Meet the Omega Products Dual Contact DCBT40 ER11 Mini Nut Collet Chuck—a robust solution built for ER11 tooling with a dual contact interface. Designed to lock tools securely in high-precision milling, drilling, and finishing tasks, this chuck delivers reliable performance in demanding environments.
Engineered for high-speed operations up to 25,000 RPM and meticulously balanced to G2.5 standards, it maintains stability and accuracy even under heavy loads. The 70 mm gauge length provides a compact, rigid setup that fits a wide range of machines while preserving precise tool alignment.
- Face-and-taper contact for secure tool holding: Ensures uniform clamping along the tool shank, reducing runout and improving accuracy at high speeds.
- G2.5-balanced for 25,000 RPM operation: Precision balance minimizes vibration, delivering better surface finish and steadier cuts across demanding tasks.
- 70 mm gauge length with ER11 mini-nut compatibility: Enables quick, repeatable setups with reliable retention in tight spaces, broadening your range of applications.
This chuck streamlines workflow by providing dependable tool hold, reducing downtime from slips or misalignment, and supporting consistent results—from prototypes to production runs. Its durable construction and precise balance give you confidence to push your machining capability while maintaining tight tolerances and finish quality.
| Taper | DCBT40 |
| Collet Size | ER11 |
| D1 | 16 |
| Nut | ER11 Mini (OM31414) |
| G | M6x1 |
| Gauge Length (L) | 70 |
| Balance | G2.5@25000RPM |
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: DCBT Dual Contact ER Mini Collet Chucks - G2.5 - 25,000RPM
View full collection →You are viewing OM34581. Click any other SKU to view its full details.
| Product SKU | Collet Size | D1 | D2 | G | Guage Length (L) | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|
| OM34587 | ER16 | 22 | ER16 Mini (OM31415) | M10x1 | 160 | £137.20 | In Stock | |
| OM34585 | ER16 | 22 | ER16 Mini (OM31415) | M10x1 | 100 | £86.18 | In Stock | |
| OM34584 | ER16 | 22 | ER16 Mini (OM31415) | M10x1 | 70 | £86.18 | In Stock | |
| OM34583 | ER11 | 16 | ER11 Mini (OM31414) | M6x1 | 160 | £151.95 | In Stock | |
| OM34582 | ER11 | 16 | ER11 Mini (OM31414) | M6x1 | 100 | £134.94 | In Stock | |
| OM34581 Viewing | ER11 | 16 | ER11 Mini (OM31414) | M6x1 | 70 | £113.39 | In Stock |
No products match your filters.




