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
Optimise your machining with our End Mill Holders BBT MAS403, designed for superior tool stability and precision. Featuring face and taper contact for maximum rigidity, these holders securely mount straight shank tools with a Weldon flat ER. Engineered to Form AD standards and balanced to G2.5 at 25,000 RPM, they ensure smooth, high-speed performance. Ideal for demanding applications, these end mill holders provide exceptional reliability and accuracy in CNC machining.

Click any SKU to view full product details, specifications and datasheets.
| Product SKU | Bore Size | D1 | G | Guage Length (L) | Price | Stock | Order |
|---|---|---|---|---|---|---|---|
| OM34595 | 6 | 25 | M6 | 50 | £56.69 | Next Day |
|
| OM34596 | 8 | 28 | M8 | 50 | £53.30 | Next Day |
|
| OM34597 | 10 | 35 | M10 | 50 | £53.30 | Next Day |
|
| OM34598 | 12 | 42 | M12 | 55 | £53.30 | Next Day |
|
| OM34599 | 14 | 44 | M12 | 55 | £53.30 | Next Day |
|
| OM34600 | 16 | 48 | M14 | 63 | £53.30 | Next Day |
|
| OM34601 | 18 | 50 | M14 | 63 | £53.30 | Next Day |
|
| OM34602 | 20 | 52 | M16 | 70 | £53.30 | Next Day |
|
No products match your filters.
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