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Omega Products BT40 ER Collet Chuck - ER20 - 20,000RPM - G2.5 - 100mm Gauge Length - Form AD
| Taper | BT40 |
| Collet Size | ER20 |
| Gauge Length | 100 |
| Form | AD |
| Balance | G2.5@20000RPM |
Learn more about Klarna
The Omega BT40 ER Collet Chuck is a precision tool holder designed for BT40 spindle systems, built to deliver stable tool clamping and repeatable accuracy for milling and drilling tasks.
- Spindle compatibility: Designed for BT40 spindle systems for quick, secure mounting.
- Collet interface: ER20 collet compatibility to support a wide range of standard tooling.
- Speed range: Operates effectively across 15,000–25,000 RPM for versatile high‑speed machining.
- Precision ratings: G2.5 and G6.3 precision specs provide excellent tool concentricity and minimal runout.
- Gauge length: 100 mm gauge length delivers solid reach with stable seating.
- Form: Form AD interface ensures reliable compatibility with common BT40 attachments.
- Build intent: Engineered to maintain rigidity and consistent performance under demanding milling conditions.
With ER20 compatibility and tight concentricity, this collet chuck minimizes runout, helping you achieve cleaner cuts, smoother finishes, and tighter tolerances across a range of materials. The broad 15,000–25,000 RPM window makes it suitable for both finishing passes on aluminum and tougher materials, while the 100 mm gauge length supports deeper pockets and longer tools without sacrificing stability. Ideal for professional shops and precision-focused setups, it delivers dependable clamping and consistent results every day.
| Taper | BT40 |
| Collet Size | ER20 |
| Gauge Length | 100 |
| Form | AD |
| 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
View full collection →You are viewing OM31043. Click any other SKU to view its full details.
| Product SKU | Taper | Collet Size | Gauge Length | Form | Balance | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|
| OM31038 | BT40 | ER16 | 100 | AD | G2.5@20000RPM | £30.95 | In Stock | |
| OM31039 | BT40 | ER16 | 150 | AD | G2.5@20000RPM | £55.48 | In Stock | |
| OM31040 | BT40 | ER16 | 160 | AD | G2.5@20000RPM | £55.48 | In Stock | |
| OM31342 | BT40 | ER16 | 200 | AD | G2.5@20000RPM | £79.87 | In Stock | |
| OM31042 | BT40 | ER16 | 70 | AD | G2.5@20000RPM | £27.51 | In Stock | |
| OM31643 | BT40 | ER16 | 100 | AD/B | G2.5@25000RPM | £43.68 | In Stock | |
| OM31535 | BT40 | ER16 | 120 | AD/B | G2.5@25000RPM | £51.94 | In Stock | |
| OM31644 | BT40 | ER16 | 160 | AD/B | G2.5@25000RPM | £66.11 | In Stock | |
| OM31645 | BT40 | ER16 | 200 | AD/B | G2.5@25000RPM | £97.98 | In Stock | |
| OM31642 | BT40 | ER16 | 70 | AD/B | G2.5@25000RPM | £40.14 | In Stock | |
| OM31043 Viewing | BT40 | ER20 | 100 | AD | G2.5@20000RPM | £31.88 | In Stock | |
| OM31954 | BT40 | ER20 | 120 | AD | G2.5@20000RPM | £48.40 | In Stock | |
| OM31044 | BT40 | ER20 | 150 | AD | G2.5@20000RPM | £55.48 | In Stock | |
| OM31045 | BT40 | ER20 | 70 | AD | G2.5@20000RPM | £27.51 | In Stock | |
| OM31046 | BT40 | ER25 | 100 | AD | G2.5@20000RPM | £30.95 | In Stock | |
| OM34007 | BT40 | ER25 | 120 | AD | G2.5@20000RPM | £46.03 | In Stock | |
| OM31047 | BT40 | ER25 | 150 | AD | G2.5@20000RPM | £55.48 | In Stock | |
| OM31048 | BT40 | ER25 | 160 | AD | G2.5@20000RPM | £55.48 | In Stock | |
| OM31343 | BT40 | ER25 | 200 | AD | G2.5@20000RPM | £79.87 | In Stock | |
| OM31050 | BT40 | ER25 | 70 | AD | G2.5@20000RPM | £27.51 | In Stock | |
| OM31646 | BT40 | ER25 | 100 | AD/B | G2.5@25000RPM | £43.68 | In Stock | |
| OM31647 | BT40 | ER25 | 160 | AD/B | G2.5@25000RPM | £66.11 | In Stock | |
| OM31648 | BT40 | ER25 | 200 | AD/B | G2.5@25000RPM | £97.98 | In Stock | |
| OM34005 | BT40 | ER25 | 70 | AD/B | G2.5@25000RPM | £40.14 | In Stock | |
| OM31344 | BT40 | ER32 | 200 | AD | G6.3@15000RPM | £79.87 | Next Day | |
| OM31345 | BT40 | ER32 | 250 | AD | G6.3@15000RPM | £110.85 | In Stock | |
| OM31051 | BT40 | ER32 | 100 | AD | G2.5@20000RPM | £30.95 | In Stock | |
| OM31052 | BT40 | ER32 | 120 | AD | G2.5@20000RPM | £46.03 | In Stock | |
| OM31053 | BT40 | ER32 | 150 | AD | G2.5@20000RPM | £55.48 | In Stock | |
| OM31054 | BT40 | ER32 | 160 | AD | G2.5@20000RPM | £55.48 | In Stock | |
| OM31056 | BT40 | ER32 | 70 | AD | G2.5@20000RPM | £27.51 | In Stock | |
| OM31536 | BT40 | ER32 | 100 | AD/B | G2.5@25000RPM | £42.49 | In Stock | |
| OM34006 | BT40 | ER32 | 120 | AD/B | G2.5@25000RPM | £51.94 | In Stock | |
| OM31537 | BT40 | ER32 | 160 | AD/B | G2.5@25000RPM | £66.11 | In Stock | |
| OM34004 | BT40 | ER32 | 70 | AD/B | G2.5@25000RPM | £40.14 | In Stock | |
| OM31058 | BT40 | ER40 | 150 | AD | G6.3@15000RPM | £55.48 | In Stock | |
| OM31346 | BT40 | ER32 | 300 | AD | G6.3@15000RPM | £123.97 | In Stock | |
| OM31057 | BT40 | ER40 | 100 | AD | G2.5@20000RPM | £31.88 | In Stock | |
| OM31060 | BT40 | ER40 | 100 | AD | G2.5@20000RPM | £73.19 | In Stock | |
| OM31059 | BT40 | ER40 | 80 | AD | G2.5@20000RPM | £28.34 | In Stock | |
| OM31650 | BT40 | ER40 | 100 | AD/B | G2.5@25000RPM | £43.68 | Next Day | |
| OM31952 | BT40 | ER40 | 160 | AD/B | G2.5@25000RPM | £66.11 | In Stock | |
| OM31649 | BT40 | ER40 | 80 | AD/B | G2.5@25000RPM | £40.14 | In Stock |
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