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Carmex Thread Turning Internal Insert - NPT - Right Hand - 16IR18NPTK20
| Thread Type | Internal |
| Thread Direction | Right Hand |
| Thread Form | NPT |
| Pitch | 18 |
| Insert Size | 16 |
| Grade | K20 |
Learn more about Klarna
The Carmex Thread Turning Internal Insert – NPT – Right Hand (16IR18NPTK20) is a high-quality laydown triangular insert built for internal threading tasks. It’s designed to cover a broad range of thread standards used today, delivering reliable results from routine jobs to the most demanding applications. Engineered for versatility, it supports a variety of pipe, hydraulic, and pneumatic components with straightforward setup and consistent performance.
- Broad thread standard compatibility: Covers the majority of common internal thread forms, helping you complete a wide range of jobs with a single tool and reducing the need for multiple inserts.
- Stable laydown triangular geometry: The geometry seats securely in the holder, delivering stable cuts, reduced vibration, and a smoother thread finish—even on tougher materials.
- Durable carbide with reliable indexing: Built from wear-resistant carbide for long tool life, with precise indexing that supports repeatable, high-quality NPT threads across production runs.
This insert is designed to help technicians and engineers achieve accurate NPT right-hand threads with confidence, boosting workflow efficiency and reducing downtime. Its combination of broad compatibility, stable cutting action, and durable construction makes it a dependable choice for both everyday threading tasks and higher-demand manufacturing environments.
| Thread Type | Internal |
| Thread Direction | Right Hand |
| Thread Form | NPT |
| Pitch | 18 |
| Insert Size | 16 |
| Grade | K20 |
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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.
