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
BT40 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 |
|---|---|---|---|---|---|---|---|---|
| OM30916 | 6.5 | 10 | 13 | M6 | 25 | £71.81 | In Stock |
|
| OM30917 | 6.5 | 10 | 20 | M6 | 50 | £83.40 | In Stock |
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| OM30918 | 6.5 | 10 | 23 | M6 | 75 | £90.34 | Next Day |
|
| OM30919 | 8.5 | 13 | 15 | M8 | 25 | £71.81 | Next Day |
|
| OM30920 | 8.5 | 13 | 23 | M8 | 50 | £83.40 | In Stock |
|
| OM30921 | 8.5 | 13 | 23 | M8 | 75 | £90.34 | In Stock |
|
| OM30922 | 8.5 | 13 | 25 | M8 | 100 | £101.93 | In Stock |
|
| OM30923 | 10.5 | 18 | 20 | M10 | 25 | £71.81 | In Stock |
|
| OM30924 | 10.5 | 18 | 23 | M10 | 50 | £83.40 | In Stock |
|
| OM30925 | 10.5 | 18 | 28 | M10 | 75 | £90.34 | In Stock |
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| OM30926 | 10.5 | 18 | 32 | M10 | 100 | £101.93 | In Stock |
|
| OM30927 | 12.5 | 21 | 24 | M12 | 25 | £71.81 | In Stock |
|
| OM30928 | 12.5 | 21 | 24 | M12 | 50 | £83.40 | In Stock |
|
| OM30929 | 12.5 | 21 | 31 | M12 | 75 | £90.34 | In Stock |
|
| OM30930 | 12.5 | 21 | 33 | M12 | 100 | £101.93 | In Stock |
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| OM30931 | 12.5 | 21 | 36 | M12 | 125 | £115.83 | In Stock |
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| OM30932 | 17 | 29 | 29 | M16 | 25 | £71.81 | In Stock |
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| OM30933 | 17 | 29 | 34 | M16 | 50 | £83.40 | In Stock |
|
| OM30934 | 17 | 29 | 34 | M16 | 75 | £90.34 | In Stock |
|
| OM30935 | 17 | 29 | 36 | M16 | 100 | £101.93 | In Stock |
|
| OM30936 | 17 | 29 | 40 | M16 | 125 | £115.83 | In Stock |
|
| OM30937 | 17 | 29 | 42.5 | M16 | 150 | £127.41 | Next Day |
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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