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Omega Products BT40 GSK Collet Chuck - GSK25 - 25,000RPM - G2.5 - 90mm Gauge Length (L1)
| Taper | BT40 |
| Collet Size | GSK25 |
| Gauge Length (L1) | 90 |
| Clamping Range | 1-25 |
| Balance | G2.5@25000RPM |
| Nut Diameter (D) | 55 |
Learn more about Klarna
Introducing the Omega BT40 GSK Collet Chuck (GSK25). Built for BT40 spindle systems, it delivers secure, accurate tool holding for high-speed machining. With a maximum speed of 25,000 RPM, G2.5 precision, and a 90 mm gauge length (L1), this chuck helps keep tools true and cutting consistent across demanding applications.
- G2.5 precision for minimal runout: Achieves excellent concentricity to deliver consistent tolerances and superior surface finish on every part.
- High-speed performance up to 25,000 RPM: Engineered for fast material removal without sacrificing stability, reducing chatter and improving productivity.
- GSK-compatible BT40 design with 90mm gauge length (L1): Seamless integration with GSK systems, a secure tool grip that minimizes vibration, and stable seating for repeatable tool changes.
This collet chuck combines rugged construction with precision engineering to provide reliable performance in busy shops and on demanding machines. Its secure grip on tooling, coupled with durable materials, supports long service life and consistent results across shifts, making setup quicker and operation more predictable.
| Taper | BT40 |
| Collet Size | GSK25 |
| Gauge Length (L1) | 90 |
| Clamping Range | 1-25 |
| Balance | G2.5@25000RPM |
| Nut Diameter (D) | 55 |
| M | M28 x 1.5 |
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 GSK Collet Chucks - 25,000RPM - G2.5
View full collection →You are viewing OM30421. Click any other SKU to view its full details.
| Product SKU | Collet Size | Gauge Length (L1) | Clamping Range | Nut Diameter (D) | M | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|
| OM30415 | GSK06 | 60 | 1-6 | 19.5 | M8 x 1 | £79.09 | In Stock | |
| OM30409 | GSK06 | 90 | 1-6 | 19.5 | M8 x 1 | £79.09 | In Stock | |
| OM30475 | GSK06 | 120 | 1-6 | 19.5 | M8 x 1 | £92.08 | In Stock | |
| OM30410 | GSK06 | 150 | 1-6 | 19.5 | M8 x 1 | £105.06 | In Stock | |
| OM30411 | GSK10 | 60 | 1-10 | 27 | M11 x 1 | £79.09 | In Stock | |
| OM30412 | GSK10 | 90 | 1-10 | 27 | M11 x 1 | £79.09 | In Stock | |
| OM30413 | GSK10 | 120 | 1-10 | 27 | M11 x 1 | £92.08 | In Stock | |
| OM30414 | GSK10 | 150 | 1-10 | 27 | M11 x 1 | £105.06 | In Stock | |
| OM30416 | GSK16 | 60 | 1-16 | 40 | M18 x 1.5 | £79.09 | In Stock | |
| OM30417 | GSK16 | 90 | 1-16 | 40 | M18 x 1.5 | £79.09 | In Stock | |
| OM30418 | GSK16 | 120 | 1-16 | 40 | M18 x 1.5 | £92.08 | In Stock | |
| OM30419 | GSK16 | 150 | 1-16 | 40 | M18 x 1.5 | £105.06 | In Stock | |
| OM30420 | GSK16 | 200 | 1-16 | 40 | M18 x 1.5 | £128.66 | In Stock | |
| OM30421 Viewing | GSK25 | 90 | 1-25 | 55 | M28 x 1.5 | £92.08 | In Stock | |
| OM30422 | GSK25 | 120 | 1-25 | 55 | M28 x 1.5 | £113.33 | In Stock | |
| OM30423 | GSK25 | 150 | 1-25 | 55 | M28 x 1.5 | £120.41 | In Stock |
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