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Omega Products BT40 ER Collet Chuck - ER32 - 15,000RPM - G6.3 - 200mm Gauge Length - Form AD
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The BT40 ER Collet Chuck (ER32) is a precision tool holder built for BT40 spindles, delivering secure tool clamping and stable performance in high-speed milling. It’s ideal for CNC operators and machine shops that demand repeatable seating and clean, consistent finishes.
- Compatibility: BT40 spindle system for quick tool changes and secure mounting on BT40 milling spindles
- Collet system: ER32 collets provide a broad tool range with reliable gripping power for end mills and drills
- Speed range: 15,000–25,000 RPM, enabling versatile cutting speeds across materials
- Precision ratings: G2.5 runout with G6.3 concentricity for tight tolerances and minimal runout
- Gauge length: 200 mm reach to improve access in longer-tool applications while maintaining rigidity
- Form AD: Designed to fit BT40 tooling interfaces with a standard, dependable form for consistent performance
This collet chuck enhances cutting stability and surface quality by delivering precise tool alignment and firm clamping. The ER32 grip expands tool compatibility, while the high-speed capability supports efficient production, from pocketing to contour milling. The 200 mm gauge length provides needed reach without sacrificing rigidity, making it well-suited for challenging milling setups on BT40 machines. Form AD ensures reliable integration into existing BT40 tooling ecosystems with predictable, repeatable results.
Part Numbers
- Protool Part Number
- OM31344
- 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 OM31344. 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 | Next Day | |
| 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 | Next Day | |
| 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 Viewing | 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 | Next Day | |
| 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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