Please log in here to access all benefits, including promotional discounts and faster checkouts.

Omega Products BT40 End Mill Holder With Coolant Channels - G2.5 - 25,000RPM - 18mm Bore Size - 160mm Gauge Length
| Taper | BT40 |
| Bore Size | 18 |
| D1 | 50 |
| G | M14 |
| Gauge Length (L) | 160 |
| Balance | G2.5@25000RPM |
Learn more about Klarna
The Omega BT40 End Mill Holder with Coolant Channels is designed for high-speed milling, delivering coolant directly to the cutting edge to manage heat and evacuate chips. It’s built for engineers, machinists, and shops seeking consistent, reliable toolholding in demanding CNC operations.
With an 18mm bore and 160mm gauge length, rated up to 25,000 RPM and a precision rating of G2.5, this holder maintains tight runout and repeatable tool seating at high speeds for dependable cutting performance.
- Direct-Coolant Channels: Integrated coolant paths feed coolant right to the cutting edge, cooling the tool, reducing wear, and improving chip evacuation for cleaner cuts and longer tool life.
- High-Speed Precision: Rated to 25,000 RPM with G2.5 tolerance, ensuring stable tool positioning and repeatable results even at top-end speeds.
- BT40 Compatibility with 18mm Bore and 160mm Gauge: Provides a secure, rigid mount with broad compatibility for common end mills, helping minimize setup time and maintain consistent clamping.
By combining efficient coolant delivery, precise seating at high speeds, and a robust BT40 form factor, this holder helps you achieve accurate cuts, improve surface quality, and extend tool life, enhancing overall milling productivity across a wide range of applications.
| Taper | BT40 |
| Bore Size | 18 |
| D1 | 50 |
| G | M14 |
| Gauge Length (L) | 160 |
| Balance | G2.5@25000RPM |
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 End Mill Holders With Coolant Channels - 25,000RPM - G2.5
View full collection →You are viewing OM36248. Click any other SKU to view its full details.
| Product SKU | Bore Size | D1 | G | Guage Length (L) | Price | Stock | Order |
|---|---|---|---|---|---|---|---|
| OM30757 | 6 | 25 | M6 | 50 | £57.84 | In Stock | |
| OM36233 | 6 | 25 | M6 | 100 | £67.62 | In Stock | |
| OM36234 | 6 | 25 | M6 | 160 | £97.42 | Next Day | |
| OM30758 | 8 | 28 | M8 | 50 | £57.84 | In Stock | |
| OM36235 | 8 | 28 | M8 | 100 | £67.62 | In Stock | |
| OM36236 | 8 | 28 | M8 | 160 | £97.42 | Next Day | |
| OM30759 | 10 | 35 | M10 | 63 | £57.84 | Next Day | |
| OM36237 | 10 | 35 | M10 | 100 | £67.62 | In Stock | |
| OM36238 | 10 | 35 | M10 | 160 | £97.42 | Next Day | |
| OM30760 | 12 | 42 | M12 | 63 | £57.84 | In Stock | |
| OM36239 | 12 | 42 | M12 | 100 | £67.62 | In Stock | |
| OM36240 | 12 | 42 | M12 | 160 | £97.42 | In Stock | |
| OM36241 | 14 | 44 | M12 | 63 | £61.88 | Next Day | |
| OM36242 | 14 | 44 | M12 | 100 | £67.62 | Next Day | |
| OM36243 | 14 | 44 | M12 | 160 | £97.42 | Next Day | |
| OM30761 | 16 | 48 | M14 | 63 | £57.84 | In Stock | |
| OM36244 | 16 | 48 | M14 | 100 | £67.62 | In Stock | |
| OM36245 | 16 | 48 | M14 | 160 | £97.42 | In Stock | |
| OM36246 | 18 | 50 | M14 | 63 | £61.88 | Next Day | |
| OM36247 | 18 | 50 | M14 | 100 | £67.62 | Next Day | |
| OM36248 Viewing | 18 | 50 | M14 | 160 | £97.42 | Next Day | |
| OM30762 | 20 | 52 | M16 | 63 | £57.84 | In Stock | |
| OM36249 | 20 | 52 | M16 | 100 | £67.62 | In Stock | |
| OM36250 | 20 | 52 | M16 | 160 | £97.42 | In Stock | |
| OM36251 | 25 | 65 | M18x2 | 90 | £64.18 | In Stock | |
| OM36252 | 25 | 65 | M18x2 | 160 | £105.44 | Next Day | |
| OM36253 | 32 | 72 | M20x2 | 100 | £71.05 | In Stock | |
| OM36254 | 32 | 72 | M20x2 | 160 | £110.03 | Next Day | |
| OM36255 | 40 | 80 | M20x2 | 105 | £82.52 | Next Day | |
| OM36256 | 40 | 80 | M20x2 | 160 | £131.79 | Next Day |
No products match your filters.


