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
Discover precision and reliability with our ER Mini Nut Collet Chucks DCBT40 BBT MAS403. Engineered for exceptional performance, these collet chucks feature face and taper contact, ensuring secure tool holding. Designed to handle high-speed operations up to 25,000 RPM, they are meticulously balanced to G2.5 standards, guaranteeing stability and accuracy under demanding machining conditions. Ideal for a wide range of industrial applications, our ER Mini Nut Collet Chucks are your trusted solution for achieving optimal machining efficiency and precision.

Click any SKU to view full product details, specifications and datasheets.
| Product SKU | Collet Size | D1 | D2 | G | Guage Length (L) | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|
| OM34587 | ER16 | 22 | ER16 Mini (OM31415) | M10x1 | 160 | £137.20 | In Stock |
|
| OM34585 | ER16 | 22 | ER16 Mini (OM31415) | M10x1 | 100 | £86.18 | In Stock |
|
| OM34584 | ER16 | 22 | ER16 Mini (OM31415) | M10x1 | 70 | £86.18 | In Stock |
|
| OM34583 | ER11 | 16 | ER11 Mini (OM31414) | M6x1 | 160 | £151.95 | In Stock |
|
| OM34582 | ER11 | 16 | ER11 Mini (OM31414) | M6x1 | 100 | £134.94 | In Stock |
|
| OM34581 | ER11 | 16 | ER11 Mini (OM31414) | M6x1 | 70 | £113.39 | 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