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Carmex Thread Turning External Insert - NPT - Right Hand - 16ER18NPTK20
| Thread Type | External |
| Thread Direction | Right Hand |
| Thread Form | NPT |
| Pitch | 18 |
| Insert Size | 16 |
| Grade | K20 |
Learn more about Klarna
Carmex Thread Turning External Insert - NPT - Right Hand - 16ER18NPTK20 is an external thread turning insert designed for reliable NPT threading. It sits in Carmex’s industry-leading range of thread turning inserts and is built to handle a broad spectrum of thread standards with a single, versatile tool.
These high-quality laydown triangular inserts are designed to provide a solution for the majority of thread standards available today, offering a practical option for a wide range of tasks—from basic to more demanding applications.
- Wide thread standards coverage: Designed to provide a solution for the majority of thread standards in use today, helping you finish more jobs with fewer tool changes.
- Laydown triangular geometry: The laydown insert design offers stable seating and predictable performance across threading tasks.
- NPT Right-Hand external threading focus: Optimized for external NPT right-hand threads, delivering reliable results on common pipe-thread work.
This insert supports efficient workflows by reducing the need to carry multiple tools, enabling quicker setups and consistent thread quality across a variety of materials and standards. Its proven design and broad compatibility give you confidence on the shop floor, whether you’re producing fittings, repairing components, or performing routine threading jobs.
| Thread Type | External |
| Thread Direction | Right Hand |
| Thread Form | NPT |
| Pitch | 18 |
| Insert Size | 16 |
| Grade | K20 |
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.
