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Omega Products BT40 ER Collet Chuck - ER16 - 25,000RPM - G2.5 - 200mm Gauge Length - Form AD/B
| Taper | BT40 |
| Collet Size | ER16 |
| Gauge Length | 200 |
| Form | AD/B |
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Description
The Omega BT40 ER Collet Chuck is a precision tool holder for BT40 spindles, engineered to securely clamp ER16 tooling for high-speed milling and finishing tasks. It delivers stable tool holding and tight runout control, enabling reliable performance at up to 25,000 RPM.
- Spindle Compatibility: Designed for BT40 spindle systems, ensuring a smooth, secure fit with compatible machines.
- Collet Type: ER16 interface provides consistent clamping on cutting tools with balanced grip for stability.
- Speed Capability: Optimized for high-speed machining up to 25,000 RPM for clean cuts and efficient material removal.
- Gauge Length: 200 mm gauge length to maintain tool geometry and stable reach during operation.
- Form: Form AD/B interface delivers reliable retention characteristics for BT40 tooling.
- Precision Rating: G2.5 precision rating (with reference to G6.3) indicating exceptional concentricity and minimal runout.
- Tool Retention: Robust clamping mechanism minimizes tool movement, reducing vibration and improving surface finish.
In practice, the BT40 ER Collet Chuck translates high-speed capability and precise clamping into tangible benefits: tighter tolerances, smoother surface finishes, longer tool life, and more consistent part quality across production runs. It’s well-suited for general milling, pocketing, and finishing applications where stability and repeatability matter most, especially when working with ER16 tooling on BT40-equipped machines.
Part Numbers
- Protool Part Number
- OM31645
- 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
View full collection →You are viewing OM31645. 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 Viewing | 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 | 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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