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Omega Products BT50 Milling Cutter Arbor - MCA12 - 25,000 RPM - G2.5 - 150mm Gauge Length
| Taper | BT50 |
| d | 12.5 |
| Nose Diameter (D1) | 21 |
| D2 | 40 |
| Thread (G) | M12 |
| Reach (L) | 150 |
Learn more about Klarna
The Omega BT50 Milling Cutter Arbor MCA12 is a precision toolholder designed to securely mount milling cutters on BT50 spindles, delivering stable rotation and reliable performance for a wide range of milling tasks. Built for shops and workstations that demand consistent results, this arbor supports efficient cutting and easy setup across diverse applications.
- BT50 interface with 25,000 RPM capability: secure cutter engagement and exceptional rotational stability for precise, productive milling with minimal runout.
- Generous 150 mm gauge length: versatile mounting that accommodates a wide range of cutter sizes and configurations, simplifying setup and improving balance.
- G2.5 precision and robust construction: tight, repeatable positioning paired with durable materials designed to withstand demanding machining environments.
With the MCA12, you gain reliable toolholding that supports high-speed milling, reduces setup time, and helps you achieve cleaner finishes and tighter tolerances. Its durable build and precise G2.5 rating contribute to long-term performance in busy shops, while the generous gauge length provides flexibility to adapt to different cutters without compromising stability.
| Taper | BT50 |
| d | 12.5 |
| Nose Diameter (D1) | 21 |
| D2 | 40 |
| Thread (G) | M12 |
| Reach (L) | 150 |
| 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 BT50 Milling Cutter Arbors - 25,000 RPM - G2.5
View full collection →You are viewing OM30946. Click any other SKU to view its full details.
| Product SKU | d | Nose Diameter (D1) | D2 | Thread (G) | Reach (L) | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|
| OM30938 | 8.5 | 13 | 23 | M8 | 50 | £101.93 | Next Day | |
| OM30939 | 8.5 | 13 | 25 | M8 | 100 | £126.26 | Next Day | |
| OM30940 | 8.5 | 13 | 30 | M8 | 150 | £139.00 | Next Day | |
| OM30941 | 10.5 | 18 | 23 | M10 | 50 | £101.93 | Next Day | |
| OM30942 | 10.5 | 18 | 32 | M10 | 100 | £126.26 | In Stock | |
| OM30943 | 10.5 | 18 | 36.5 | M10 | 150 | £139.00 | Next Day | |
| OM30944 | 12.5 | 21 | 24 | M12 | 50 | £101.93 | In Stock | |
| OM30945 | 12.5 | 21 | 33 | M12 | 100 | £126.26 | In Stock | |
| OM30946 Viewing | 12.5 | 21 | 40 | M12 | 150 | £139.00 | Next Day | |
| OM30947 | 17 | 29 | 34 | M16 | 50 | £101.93 | In Stock | |
| OM30948 | 17 | 29 | 36 | M16 | 100 | £126.26 | In Stock | |
| OM30949 | 17 | 29 | 42.5 | M16 | 150 | £139.00 | In Stock |
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