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Carmex Thread Turning External Insert - Metric - Right Hand - 16ER0.4ISOBMA
| Thread Type | External |
| Thread Direction | Right Hand |
| Thread Form | Metric |
| Pitch | 0.4 |
| Insert Size | 16 |
| Grade | BMA |
Learn more about Klarna
The Carmex Thread Turning External Insert is a metric, right-hand cutting insert designed for external threading. Part of our industry-leading range, this laydown triangular insert is engineered to cover a broad spectrum of thread standards, making it a versatile choice for shops and field service alike. It handles everything from basic threading tasks to the most demanding applications with reliable, consistent results.
- Broad thread-standards compatibility: Designed to cover a wide range of major thread standards, reducing tool changes and downtime so you can complete more jobs with a single insert.
- Stable, laydown triangular geometry: Triangular laydown design provides predictable seating and consistent threading results, simplifying setup and enhancing repeatability on external turns.
- Durable, high-quality construction: Built to endure demanding machining, delivering long tool life and dependable performance across a variety of materials and threading tasks.
This insert supports efficient, confident threading work across diverse projects. By simplifying setup, extending tool life, and delivering reliable results, it helps streamline your workflow, reduce interruptions, and improve overall threading quality from start to finish.
| Thread Type | External |
| Thread Direction | Right Hand |
| Thread Form | Metric |
| Pitch | 0.4 |
| 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 16ER0.4ISOBMA. 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 | 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 Viewing | 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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