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Carmex Thread Turning Internal Insert - NPT - Left Hand - 11IL18NPTBMA
| Thread Type | Internal |
| Thread Direction | Left Hand |
| Thread Form | NPT |
| Pitch | 18 |
| Insert Size | 11 |
| Grade | BMA |
Learn more about Klarna
The Carmex Thread Turning Internal Insert - NPT - Left Hand is a versatile tool designed for creating internal threads in pipe connections. As part of an industry‑leading range, these high‑quality laydown triangular inserts are built to cover a wide range of thread standards with a single, efficient solution.
Whether you’re an engineer, machinist, maintenance tech, or a DIY hobbyist, this insert delivers dependable performance from basic threading tasks to more demanding applications.
- Broad thread compatibility: Covers the majority of thread standards in use today, reducing tool changes and simplifying inventory management.
- Laydown triangular design: Provides stable cutting engagement and consistent results across a variety of materials and applications.
- NPT Left-Hand internal threading support: Specifically configured for NPT left‑hand threads, enabling reliable internal threading for piping connections.
This combination helps streamline your workflow: fewer inserts to stock, quicker tool changes, and repeatable thread quality you can count on—from basic tasks to the most demanding jobs—so you can complete projects faster with confidence.
| Thread Type | Internal |
| Thread Direction | Left Hand |
| Thread Form | NPT |
| Pitch | 18 |
| Insert Size | 11 |
| 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 11IL18NPTBMA. 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 | 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 Viewing | 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 |
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