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Carmex Thread Turning Internal Insert - NPTF - Right Hand - 16IR14NPTFK20
| Thread Type | Internal |
| Thread Direction | Right Hand |
| Thread Form | NPTF |
| Pitch | 14 |
| Insert Size | 16 |
| Grade | K20 |
Learn more about Klarna
Our Carmex Thread Turning Internal Insert (NPTF, Right Hand, model 16IR14NPTFK20) is part of our industry-leading range of thread turning inserts. These high-quality laydown triangular inserts are designed to cover the majority of thread standards in use today, enabling you to tackle a wide range of applications—from basic to the most demanding tasks.
Built for reliability in production environments, this right-hand insert delivers consistent results when forming NPTF internal threads and similar standards, helping you minimize rework and downtime.
- Broad thread standards compatibility: Covers the majority of thread standards in use today (including NPTF), reducing tool changes and inventory needs.
- Rigid laydown triangular geometry: Provides stable seating and minimizes deflection for clean, consistent thread profiles and smooth finishes.
- Designed for demanding applications: Performs reliably from basic tasks to high-demand jobs, delivering repeatable results with fewer inserts changed.
This insert helps you streamline planning and production: quick setup, fewer tool changes, and dependable internal threads across multiple standards. It supports higher first-pass quality, reduced downtime, and more predictable part quality in both small-batch work and longer production runs.
| Thread Type | Internal |
| Thread Direction | Right Hand |
| Thread Form | NPTF |
| Pitch | 14 |
| 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.
