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Omega Products BT40 ER Collet Chuck - Mini Type ER11 - 20,000RPM - G2.5 - 100mm Gauge Length - Form AD/B
| Taper | BT40 |
| Collet Size | ER11 |
| Gauge Length | 100 |
| Form | AD/B |
| Balance | G2.5@20000RPM |
Learn more about Klarna
The Omega BT40 ER Collet Chuck (Mini Type) is a precise, high-speed toolholding solution designed for BT40 spindle systems. Built for machining professionals who demand reliability and quick setup, it delivers tight concentricity and smooth performance at speeds up to 20,000 RPM.
- Spindle compatibility: BT40 spindle systems for CNC milling and precision machining
- Collet type: Mini-type ER11 collet chuck for secure tool retention
- Speed rating: Up to 20,000 RPM for fast, efficient material removal
- Precision: G2.5 tolerance to minimize runout and maintain consistent cutting accuracy
- Gauge length: 100 mm gauge length for stable reach and balanced cutting
- Form: AD/B form for broad compatibility with standard adapters and holders
- Quick-change capability: ER collet system enables rapid tool changes to reduce downtime
- Construction: Compact, lightweight design that reduces tool overhang and improves balance
This chuck translates into tangible machining benefits: improved surface finish from reduced overhang, reliable tool seating for repeatable hole sizes, and a workflow that stays productive in high-speed environments. The combination of a compact profile, precise G2.5 accuracy, and a robust ER11 mini-type leverages fast tool changes and stable concentricity, making it a dependable choice for BT40 setups needing dependable performance across milling and finishing tasks.
| Taper | BT40 |
| Collet Size | ER11 |
| Gauge Length | 100 |
| Form | AD/B |
| Balance | G2.5@20000RPM |
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 OM31637. 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 | In Stock | |
| OM31637 Viewing | 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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