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


Omega Products BT40 Face Mill Arbor - FMB16 Through Coolant - 25,000RPM - G2.5 - 45mm Gauge Length - Form AD/B + Cool
| Taper | BT40 |
| Spigot Size | 22 |
| Gauge Length | 45 |
| Balance | G2.5@25000RPM |
Learn more about Klarna
Omega Products BT40 Face Mill Arbor – FMB16 Through Coolant is designed to securely hold face milling cutters in BT40 spindle machines while delivering coolant directly to the cutting edge. Built for high-speed milling, it supports 15,000–25,000 RPM and features a 45 mm gauge length with Form AD/B + Cool, enabling precise, repeatable performance in demanding shop environments.
Through-Coolant channels are integrated into the arbor to channel coolant straight to the cutting edge, promoting efficient chip evacuation and cooler, more stable cuts. This design helps protect tools, reduce heat-related wear, and improve surface finishes on a variety of milling applications.
- Through-Coolant Delivery to the Cutting Edge: Built-in coolant channels feed coolant directly to the edge, improving chip evacuation, cooling, and cutting performance for longer tool life and cleaner finishes.
- High-Speed Stability and Precision: Engineered for 15,000–25,000 RPM with a precision rating of G2.5/G6.3, delivering consistent runout and accurate results even at top speeds.
- Rigid BT40 Interface with 45mm Gauge Length (Form AD/B + Cool): Provides secure, low-deflection tool seating on BT40 spindles with a 45 mm gauge length, supporting reliable engagement and repeatable tolerances; Form AD/B + Cool design supports coolant delivery and easy alignment.
This BT40 Face Mill Arbor delivers dependable performance across a range of milling tasks—from standard face milling to demanding high-speed operations. With direct coolant delivery, rigid seating, and precise high-speed capability, it helps you reduce downtime, improve finish quality, and maintain tight tolerances, all while supporting efficient, productive workflows.
| Taper | BT40 |
| Spigot Size | 22 |
| Gauge Length | 45 |
| 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 Face Mill Arbors Through Coolant - 15,000 - 25,000RPM - G2.5/G6.3
View full collection →You are viewing OM31684. Click any other SKU to view its full details.
| Product SKU | Taper | Spigot Size | Gauge Length | Balance | Price | Stock | Order |
|---|---|---|---|---|---|---|---|
| OM31680 | BT40 | 16 | 45 | G2.5@25000RPM | £48.40 | In Stock | |
| OM31681 | BT40 | 16 | 100 | G2.5@25000RPM | £61.38 | In Stock | |
| OM31682 | BT40 | 16 | 160 | G2.5@25000RPM | £97.98 | In Stock | |
| OM31684 Viewing | BT40 | 22 | 45 | G2.5@25000RPM | £48.40 | In Stock | |
| OM31685 | BT40 | 22 | 100 | G2.5@25000RPM | £61.38 | In Stock | |
| OM31686 | BT40 | 22 | 160 | G2.5@25000RPM | £97.98 | In Stock | |
| OM31687 | BT40 | 22 | 200 | G6.3@15000RPM | £140.47 | In Stock | |
| OM31688 | BT40 | 27 | 45 | G2.5@25000RPM | £48.40 | In Stock | |
| OM31689 | BT40 | 27 | 100 | G2.5@25000RPM | £61.38 | In Stock | |
| OM31690 | BT40 | 27 | 160 | G2.5@25000RPM | £97.98 | In Stock | |
| OM31692 | BT40 | 32 | 45 | G2.5@25000RPM | £48.40 | In Stock | |
| OM31693 | BT40 | 32 | 100 | G2.5@25000RPM | £61.38 | In Stock | |
| OM31694 | BT40 | 32 | 160 | G2.5@25000RPM | £97.98 | In Stock | |
| OM31695 | BT40 | 32 | 200 | G6.3@15000RPM | £152.28 | In Stock | |
| OM31696 | BT40 | 40 | 60 | G2.5@25000RPM | £61.38 | In Stock | |
| OM31697 | BT40 | 40 | 100 | G2.5@25000RPM | £64.92 | In Stock | |
| OM31698 | BT40 | 40 | 160 | G6.3@15000RPM | £128.66 | In Stock |
No products match your filters.