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Carmex Thread Turning Internal Insert - NPT - Right Hand - 16IR18NPTBLU
| Thread Type | Internal |
| Thread Direction | Right Hand |
| Thread Form | NPT |
| Pitch | 18 |
| Insert Size | 16 |
| Grade | BLU |
Learn more about Klarna
The Carmex Thread Turning Internal Insert is a precision cutting insert designed for internal threading on NPT right-hand joints. Its laydown triangular geometry supports a wide range of thread standards, making it a flexible choice for job shops, maintenance teams, and individual machinists.
Built to handle both basic and demanding threading tasks, this insert delivers reliable engagement and consistent thread quality across many materials and hole sizes.
- Broad thread standard compatibility: Designed to cover the majority of internal thread standards, including NPT right-hand profiles, reducing the need for multiple inserts and simplifying stock management.
- Stable, laydown geometry for clean cuts: The triangular laydown design provides steady engagement, minimizes chatter, and helps produce smooth, consistent threads on every pass.
- Reliable performance across applications: Performs reliably from simple threading jobs to more challenging tasks, delivering predictable results and steady tool life across a range of materials.
This insert helps you complete internal threading work with confidence, improving workflow efficiency, reducing tool changes, and delivering repeatable, quality results for a wide variety of projects.
| Thread Type | Internal |
| Thread Direction | Right Hand |
| Thread Form | NPT |
| Pitch | 18 |
| Insert Size | 16 |
| Grade | BLU |
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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.
