Dispatch Hours
Orders dispatched Monday to Friday between 8am and 5pm (4:30pm on Fridays).
- Mon – Thurs8:00 – 17:00
- Friday8:00 – 16:30
- Sat & SunClosed
BT50 Milling Cutter Arbors are designed to securely hold milling cutters and facilitate precise machining operations. With a maximum speed rating of 25,000 RPM and a G2.5 precision rating, these arbors offer excellent rotational stability and minimal runout, ensuring accurate and efficient cutting performance. They are compatible with a wide range of milling cutters, allowing for versatility in various machining applications. The arbors are manufactured using high-quality materials to ensure durability and long-lasting performance in demanding machining environments.

Click any SKU to view full product details, specifications and datasheets.
| 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 | 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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Fast dispatch, clear delivery options and a friendly technical team on the end of the phone.
Orders dispatched Monday to Friday between 8am and 5pm (4:30pm on Fridays).
| Service | Cost |
|---|---|
| Royal Mail Tracked 24 | £5.90 |
| DPD Standard Next Day | £8.00 |
| Royal Mail Special Delivery by 1pm | £12.50 |
| DPD Saturday Delivery | £25.00 |
Saturday delivery available on orders placed before 4pm Friday. T&Cs and geographical exclusions apply (Republic of Ireland, Northern Ireland, Scottish Highlands, Channel Islands & others) — see our delivery page for full details.
If an item isn't right, sending it back is simple and hassle-free.
Read our returns policy →Our specialist team can advise on tooling choice, specifications and compatibility.
01732 887334 info@protool-ltd.co.uk