Please log in here to access all benefits, including promotional discounts and faster checkouts.


Carmex Thread Turning External Insert - Metric - Right Hand - 16ERB2.5ISOBMA
| Thread Type | External |
| Thread Direction | Right Hand |
| Thread Form | Metric |
| Pitch | 2.5 |
Learn more about Klarna
Compatible holders
The ones our customers buy most.Description
Carmex Thread Turning External Insert — Metric, Right Hand. This insert is part of Carmex’s industry-leading range of thread turning tools, engineered to deliver dependable results across many standard thread forms. The laydown triangular design is built to handle a broad spectrum of threading tasks, from simple profiles to the most demanding contours, with consistent performance.
Designed for metric, right-hand threads, this external insert provides practical versatility for shops and field teams alike, enabling quick setup and reliable results across a variety of materials and applications.
- Broad thread-standards compatibility: Engineered to provide a solution for the majority of thread standards in use today, reducing tool changes and keeping production moving.
- Stable laydown triangular geometry: The geometry promotes stable engagement, smooth chip flow, and consistent thread quality across basic to demanding jobs.
- Proven Carmex quality and global reliability: Part of an industry-leading range recognized worldwide, delivering dependable performance you can rely on for everyday threading tasks.
With this Carmex external insert, you gain a versatile, ready-to-use threading solution that supports faster setups, fewer tool changes, and more predictable results—helping you improve throughput, reduce rework, and maintain consistent thread accuracy across a wide range of materials and applications.
Part Numbers
- Protool Part Number
- 16ERB2.5ISOBMA
- Brand
- Carmex
- Category
- Thread Turning
Delivery
Free UK mainland delivery on orders over £50 ex VAT. In-stock items ordered before 4:30pm are dispatched the same working day. Full delivery information.
Returns
14-day returns on unused stock items in original packaging. Special-order and bespoke tooling is non-returnable. Read our returns policy.
Technical Support
Over 30 years of machining experience behind the counter. Call 01732 887334, Mon–Thurs 8:30–17:30, Fri 8:30–16:30.
Trade Accounts
Credit accounts, contract pricing and scheduled call-off orders available for trade customers. Apply for an account.
What time are Protool open?
We are open Monday to Friday between 8:30am and 5pm.
Do you offer Free Next Day delivery?
Yes! We offer Free Next Day delivery via Royal Mail Tracked 24 on all orders over £50 ex VAT*. We also offer Free DPD Local Next Day delivery on all orders over £100 ex VAT*.
We also offer the following:
- Royal Mail Tracked 24 — £5.90 (FREE on orders over £50 ex VAT*). Order before 4:30pm for next day delivery. No signature required.
- DPD Local Next Day — £8.00 (FREE on orders over £100 ex VAT*). Standard next day delivery to UK mainland addresses.
- Royal Mail Special Delivery — £12.50. Guaranteed delivery before 1pm the next working day.
- DPD Saturday Delivery — £25.00. Must be ordered on Friday before 4pm. Pre-12pm delivery.
For delivery to Scottish Highlands & Islands, Northern Ireland, Republic of Ireland, or overseas locations, additional charges apply. Please see our delivery page for full details, or call us on 01732 887 334.
*T's & C's and exclusions apply. Please see our delivery page for more information on all our services.
Full Range: Carmex Thread Turning External Inserts - BType - ISO - Right Hand
View full collection →You are viewing 16ERB2.5ISOBMA. Click any other SKU to view its full details.
| Product SKU | Thread Type | Thread Direction | Thread Form | Pitch | Insert Size | Grade | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|---|
| 16ERB0.8ISOBMA | External | Right Hand | Metric | 0.8 | 16 | BMA | £9.50 | 5 days | |
| 16ERB1.0ISOBMA | External | Right Hand | Metric | 1 | 16 | BMA | £9.50 | 5 days | |
| 16ERB1.25ISOBMA | External | Right Hand | Metric | 1.25 | 16 | BMA | £9.50 | 5 days | |
| 16ERB1.5ISOBMA | External | Right Hand | Metric | 1.5 | 16 | BMA | £9.50 | In Stock | |
| 16ERB1.75ISOBMA | External | Right Hand | Metric | 1.75 | 16 | BMA | £9.50 | 5 days | |
| 16ERB2.0ISOBMA | External | Right Hand | Metric | 2 | 16 | BMA | £9.50 | 5 days | |
| 16ERB2.5ISOBMA Viewing | External | Right Hand | Metric | 2.5 | 16 | BMA | £9.50 | 5 days | |
| 16ERB3.0ISOBMA | External | Right Hand | Metric | 3 | 16 | BMA | £9.50 | 5 days |
No products match your filters.



