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Carmex Thread Turning External Insert - Metric - Left Hand - 16EL2.5ISOBMA
| Thread Type | External |
| Thread Direction | Left Hand |
| Thread Form | Metric |
| Pitch | 2.5 |
| Insert Size | 16 |
| Grade | BMA |
Learn more about Klarna
Carmex Thread Turning External Insert (Metric, Left Hand) is a precision cutting insert designed for external thread turning on lathes and milling setups. It’s built to deliver reliable performance across a wide range of thread profiles, helping you produce accurate threads with consistent results.
These laydown triangular inserts are designed to cover the majority of thread standards in use today, delivering consistent results from basic to the most demanding applications.
- Wide thread standard coverage: These laydown triangular inserts are designed to handle the majority of modern thread standards, reducing the need to stock multiple inserts and simplifying job planning.
- Durable, precision-ground geometry: Robust cutting edges and a stable profile help maintain consistent thread quality and extend insert life, even on tougher materials.
- Left-hand metric threading compatibility: Optimized for external thread turning on left-hand metric threads, ensuring reliable engagement and smooth chip evacuation for clean, accurate results.
This insert family supports efficient work flows by reducing tool changes, delivering repeatable results across a spectrum of applications, and helping you meet production deadlines with confidence.
| Thread Type | External |
| Thread Direction | Left Hand |
| Thread Form | Metric |
| Pitch | 2.5 |
| Insert Size | 16 |
| Grade | BMA |
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 - ISO - Right/Left Hand
View full collection →You are viewing 16EL2.5ISOBMA. Click any other SKU to view its full details.
| Product SKU | Thread Type | Thread Direction | Thread Form | Pitch | Insert Size | Grade | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|---|
| 16EL0.35ISOBMA | External | Left Hand | Metric | 0.35 | 16 | BMA | £11.16 | 5 days | |
| 16EL0.45ISOBMA | External | Left Hand | Metric | 0.45 | 16 | BMA | £11.16 | 5 days | |
| 16EL0.4ISOBMA | External | Left Hand | Metric | 0.4 | 16 | BMA | £11.16 | 5 days | |
| 16EL0.5ISOBMA | External | Left Hand | Metric | 0.5 | 16 | BMA | £10.94 | 5 days | |
| 16EL0.6ISOBMA | External | Left Hand | Metric | 0.6 | 16 | BMA | £11.16 | 5 days | |
| 16EL0.75ISOBMA | External | Left Hand | Metric | 0.75 | 16 | BMA | £10.94 | 5 days | |
| 16EL0.7ISOBMA | External | Left Hand | Metric | 0.7 | 16 | BMA | £10.94 | 5 days | |
| 16EL0.8ISOBMA | External | Left Hand | Metric | 0.8 | 16 | BMA | £8.44 | 5 days | |
| 16EL1.0ISOBMA | External | Left Hand | Metric | 1 | 16 | BMA | £8.44 | In Stock | |
| 16EL1.25ISOBMA | External | Left Hand | Metric | 1.25 | 16 | BMA | £8.44 | 5 days | |
| 16EL1.5ISOBMA | External | Left Hand | Metric | 1.5 | 16 | BMA | £8.44 | 5 days | |
| 16EL1.75ISOBMA | External | Left Hand | Metric | 1.75 | 16 | BMA | £8.44 | 5 days | |
| 16EL2.0ISOBMA | External | Left Hand | Metric | 2 | 16 | BMA | £8.44 | 5 days | |
| 16EL2.5ISOBMA Viewing | External | Left Hand | Metric | 2.5 | 16 | BMA | £8.44 | In Stock | |
| 16EL3.0ISOBMA | External | Left Hand | Metric | 3 | 16 | BMA | £8.44 | 5 days | |
| 16EL3.5ISOBMA | External | Left Hand | Metric | 3.5 | 16 | BMA | £8.44 | In Stock | |
| 16ER0.25ISOBMA | External | Right Hand | Metric | 0.25 | 16 | BMA | £10.96 | In Stock | |
| 16ER0.35ISOBMA | External | Right Hand | Metric | 0.35 | 16 | BMA | £10.94 | 5 days | |
| 16ER0.45ISOBMA | External | Right Hand | Metric | 0.45 | 16 | BMA | £10.94 | 5 days | |
| 16ER0.4ISOBMA | External | Right Hand | Metric | 0.4 | 16 | BMA | £10.94 | In Stock | |
| 16ER0.5ISOBMA | External | Right Hand | Metric | 0.5 | 16 | BMA | £10.94 | In Stock | |
| 16ER0.6ISOBMA | External | Right Hand | Metric | 0.6 | 16 | BMA | £10.94 | 5 days | |
| 16ER0.75ISOBMA | External | Right Hand | Metric | 0.75 | 16 | BMA | £10.94 | 5 days | |
| 16ER0.7ISOBMA | External | Right Hand | Metric | 0.7 | 16 | BMA | £10.94 | In Stock | |
| 16ER0.8ISOBMA | External | Right Hand | Metric | 0.8 | 16 | BMA | £8.44 | In Stock | |
| 16ER1.0ISOBMA | External | Right Hand | Metric | 1 | 16 | BMA | £8.44 | In Stock | |
| 16ER1.25ISOBMA | External | Right Hand | Metric | 1.25 | 16 | BMA | £8.44 | In Stock | |
| 16ER1.5ISOBMA | External | Right Hand | Metric | 1.5 | 16 | BMA | £8.44 | In Stock | |
| 16ER1.75ISOBMA | External | Right Hand | Metric | 1.75 | 16 | BMA | £8.44 | In Stock | |
| 16ER2.0ISOBMA | External | Right Hand | Metric | 2 | 16 | BMA | £8.44 | In Stock | |
| 16ER2.5ISOBMA | External | Right Hand | Metric | 2.5 | 16 | BMA | £8.44 | In Stock | |
| 16ER3.0ISOBMA | External | Right Hand | Metric | 3 | 16 | BMA | £8.44 | In Stock | |
| 16ER3.5ISOBMA | External | Right Hand | Metric | 3.5 | 16 | BMA | £8.44 | 5 days | |
| 22EL3.5ISOBMA | External | Left Hand | Metric | 3.5 | 22 | BMA | £12.38 | 5 days | |
| 22EL4.0ISOBMA | External | Left Hand | Metric | 4 | 22 | BMA | £12.38 | In Stock | |
| 22EL4.5ISOBMA | External | Left Hand | Metric | 4.5 | 22 | BMA | £12.38 | 5 days | |
| 22EL5.0ISOBMA | External | Left Hand | Metric | 5 | 22 | BMA | £12.38 | In Stock | |
| 22EL5.5ISOBMA | External | Left Hand | Metric | 5.5 | 22 | BMA | £12.38 | 5 days | |
| 22EL6.0ISOBMA | External | Left Hand | Metric | 6 | 22 | BMA | £12.59 | 5 days | |
| 22ER3.5ISOBMA | External | Right Hand | Metric | 3.5 | 22 | BMA | £12.38 | In Stock | |
| 22ER4.0ISOBMA | External | Right Hand | Metric | 4 | 22 | BMA | £12.38 | In Stock | |
| 22ER4.5ISOBMA | External | Right Hand | Metric | 4.5 | 22 | BMA | £12.38 | In Stock | |
| 22ER5.0ISOBMA | External | Right Hand | Metric | 5 | 22 | BMA | £12.38 | In Stock | |
| 22ER5.5ISOBMA | External | Right Hand | Metric | 5.5 | 22 | BMA | £12.38 | In Stock | |
| 22ER6.0ISOBMA | External | Right Hand | Metric | 6 | 22 | BMA | £12.38 | 5 days |
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