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


Carmex Thread Turning Internal Insert - NPT - Right Hand - 08IR18NPTBMA
| Thread Type | Internal |
| Thread Direction | Right Hand |
| Thread Form | NPT |
| Pitch | 18 |
| Insert Size | 8 |
| Grade | BMA |
Learn more about Klarna
The Carmex Thread Turning Internal Insert – NPT – Right Hand is a precision internal threading tool designed specifically for right‑hand NPT threads. Built to handle a wide range of pipe-thread standards, it simplifies jobs that require clean, accurate inside threads and helps you tackle both routine maintenance and more demanding fabrication tasks.
As part of Carmex’s globally recognized line of thread turning inserts, this laydown triangular design delivers stable, reliable performance across a broad spectrum of applications. It’s engineered to provide consistent results whether you’re producing small lots or high-volume runs.
- Broad thread standard coverage: Designed to support a wide range of thread standards, reducing the need to stock multiple inserts and simplifying setup on diverse projects.
- Laydown triangular geometry for stability: The laydown triangular shape provides stable cutting and improved chip control, helping to achieve smooth finishes and reliable outcomes.
- Optimized for NPT right-hand internal threads: Specifically configured for internal threading of NPT right-hand threads, delivering consistent thread form and dependable performance.
This insert helps you streamline your threading workflow, minimize tool changes, and maintain tight tolerances across varied materials and part geometries. With Carmex, you gain predictable, repeatable results and confidence to tackle a wide range of internal threading tasks more efficiently.
| Thread Type | Internal |
| Thread Direction | Right Hand |
| Thread Form | NPT |
| Pitch | 18 |
| Insert Size | 8 |
| 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 Internal Inserts - NPT - Right/Left Hand
View full collection →You are viewing 08IR18NPTBMA. Click any other SKU to view its full details.
| Product SKU | Thread Type | Thread Direction | Thread Form | Pitch | Insert Size | Grade | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|---|
| 06IL27NPTBMA | Internal | Left Hand | NPT | 27 | 6 | BMA | £9.43 | 5 days | |
| 06IL27NPTBXC | Internal | Left Hand | NPT | 27 | 6 | BXC | £11.10 | 5 days | |
| 06IR27NPTBMA | Internal | Right Hand | NPT | 27 | 6 | BMA | £9.28 | In Stock | |
| 08IL18NPTBMA | Internal | Left Hand | NPT | 18 | 8 | BMA | £9.43 | 5 days | |
| 08IL27NPTBMA | Internal | Left Hand | NPT | 27 | 8 | BMA | £9.43 | 5 days | |
| 08IR18NPTBMA Viewing | Internal | Right Hand | NPT | 18 | 8 | BMA | £9.28 | In Stock | |
| 08IR27NPTBMA | Internal | Right Hand | NPT | 27 | 8 | BMA | £9.28 | In Stock | |
| 11IL14NPTBMA | Internal | Left Hand | NPT | 14 | 11 | BMA | £8.59 | 5 days | |
| 11IL18NPTBMA | Internal | Left Hand | NPT | 18 | 11 | BMA | £8.59 | 5 days | |
| 11IL27NPTBMA | Internal | Left Hand | NPT | 27 | 11 | BMA | £8.59 | 5 days | |
| 11IR14NPTBMA | Internal | Right Hand | NPT | 14 | 11 | BMA | £8.44 | In Stock | |
| 11IR18NPTBMA | Internal | Right Hand | NPT | 18 | 11 | BMA | £8.44 | In Stock | |
| 11IR27NPTBMA | Internal | Right Hand | NPT | 27 | 11 | BMA | £8.44 | In Stock | |
| 16IL11.5NPTBMA | Internal | Left Hand | NPT | 11.5 | 16 | BMA | £8.59 | 5 days | |
| 16IL14NPTBMA | Internal | Left Hand | NPT | 14 | 16 | BMA | £8.59 | 5 days | |
| 16IL18NPTBMA | Internal | Left Hand | NPT | 18 | 16 | BMA | £8.59 | 5 days | |
| 16IL27NPTBMA | Internal | Left Hand | NPT | 27 | 16 | BMA | £8.59 | 5 days | |
| 16IL8NPTBMA | Internal | Left Hand | NPT | 8 | 16 | BMA | £8.44 | 5 days | |
| 16IR11.5NPTBMA | Internal | Right Hand | NPT | 11.5 | 16 | BMA | £8.44 | 5 days | |
| 16IR14NPTBMA | Internal | Right Hand | NPT | 14 | 16 | BMA | £8.44 | In Stock | |
| 16IR18NPTBMA | Internal | Right Hand | NPT | 18 | 16 | BMA | £8.44 | In Stock | |
| 16IR27NPTBMA | Internal | Right Hand | NPT | 27 | 16 | BMA | £8.44 | In Stock | |
| 16IR8NPTBMA | Internal | Right Hand | NPT | 8 | 16 | BMA | £8.44 | 5 days |
No products match your filters.