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 ER Collet Chucks are versatile tool holders designed for BT50 spindle systems. These collet chucks provide a reliable and secure method for clamping cutting tools, ensuring stability and precision during machining operations. With a speed range of 15,000 to 25,000 RPM, these collet chucks are suitable for a wide range of machining applications. The G2.5 and G6.3 precision ratings indicate their excellent tool concentricity and minimal runout, resulting in improved cutting performance and surface finish.

Click any SKU to view full product details, specifications and datasheets.
| Product SKU | Taper | Collet Size | Gauge Length | Form | Balance | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|
| OM31115 | BT50 | ER16 | 70 | AD | G6.3@15000RPM | £59.03 | In Stock |
|
| OM31777 | BT50 | ER16 | 80 | AD/B | G2.5@25000RPM | £70.83 | In Stock |
|
| OM31347 | BT50 | ER16 | 100 | AD | G6.3@15000RPM | £70.83 | In Stock |
|
| OM31778 | BT50 | ER16 | 100 | AD/B | G2.5@25000RPM | £82.63 | In Stock |
|
| OM31114 | BT50 | ER16 | 150 | AD | G6.3@15000RPM | £72.00 | Next Day |
|
| OM31779 | BT50 | ER16 | 160 | AD/B | G2.5@25000RPM | £103.89 | Next Day |
|
| OM31780 | BT50 | ER16 | 200 | AD/B | G2.5@25000RPM | £164.50 | In Stock |
|
| OM31121 | BT50 | ER25 | 80 | AD | G6.3@15000RPM | £59.03 | In Stock |
|
| OM31781 | BT50 | ER25 | 80 | AD/B | G2.5@25000RPM | £70.83 | In Stock |
|
| OM31116 | BT50 | ER25 | 100 | AD | G6.3@15000RPM | £72.01 | In Stock |
|
| OM31782 | BT50 | ER25 | 100 | AD/B | G2.5@25000RPM | £82.63 | In Stock |
|
| OM31118 | BT50 | ER25 | 150 | AD | G6.3@15000RPM | £72.00 | Next Day |
|
| OM31119 | BT50 | ER25 | 160 | AD | G6.3@15000RPM | £92.08 | In Stock |
|
| OM31783 | BT50 | ER25 | 160 | AD/B | G2.5@25000RPM | £103.89 | In Stock |
|
| OM31784 | BT50 | ER25 | 200 | AD/B | G2.5@25000RPM | £164.50 | In Stock |
|
| OM31785 | BT50 | ER25 | 250 | AD/B | G2.5@25000RPM | £185.96 | In Stock |
|
| OM31127 | BT50 | ER32 | 70 | AD | G6.3@15000RPM | £59.03 | In Stock |
|
| OM31128 | BT50 | ER32 | 80 | AD | G6.3@15000RPM | £59.03 | In Stock |
|
| OM31786 | BT50 | ER32 | 80 | AD/B | G2.5@25000RPM | £70.83 | In Stock |
|
| OM31122 | BT50 | ER32 | 100 | AD | G6.3@15000RPM | £72.01 | In Stock |
|
| OM31787 | BT50 | ER32 | 100 | AD/B | G2.5@25000RPM | £82.63 | In Stock |
|
| OM31123 | BT50 | ER32 | 150 | AD | G6.3@15000RPM | £89.71 | In Stock |
|
| OM31124 | BT50 | ER32 | 160 | AD | G6.3@15000RPM | £92.08 | In Stock |
|
| OM31788 | BT50 | ER32 | 160 | AD/B | G2.5@25000RPM | £103.89 | In Stock |
|
| OM31125 | BT50 | ER32 | 200 | AD | G6.3@15000RPM | £147.55 | In Stock |
|
| OM31789 | BT50 | ER32 | 200 | AD/B | G2.5@25000RPM | £164.50 | In Stock |
|
| OM31126 | BT50 | ER32 | 250 | AD | G6.3@15000RPM | £175.89 | In Stock |
|
| OM31790 | BT50 | ER32 | 250 | AD/B | G2.5@25000RPM | £206.22 | In Stock |
|
| OM31132 | BT50 | ER40 | 80 | AD | G6.3@15000RPM | £59.03 | In Stock |
|
| OM31791 | BT50 | ER40 | 80 | AD/B | G2.5@25000RPM | £70.83 | In Stock |
|
| OM31348 | BT50 | ER40 | 100 | AD | G6.3@15000RPM | £70.83 | In Stock |
|
| OM31792 | BT50 | ER40 | 100 | AD/B | G2.5@25000RPM | £82.63 | In Stock |
|
| OM31129 | BT50 | ER40 | 150 | AD | G6.3@15000RPM | £72.00 | Next Day |
|
| OM31130 | BT50 | ER40 | 160 | AD | G6.3@15000RPM | £92.08 | In Stock |
|
| OM31793 | BT50 | ER40 | 160 | AD/B | G2.5@25000RPM | £103.89 | In Stock |
|
| OM31794 | BT50 | ER40 | 200 | AD/B | G2.5@25000RPM | £164.50 | Next Day |
|
| OM31133 | BT50 | ER50 | 100 | AD | G6.3@15000RPM | £97.98 | In Stock |
|
| OM31795 | BT50 | ER50 | 100 | AD/B | G2.5@25000RPM | £109.77 | 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