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Carmex Thread Turning External Insert - UNJ (UNJC UNJF UNJEF UNJS) - Right Hand - 16ER10UNJK20
| Thread Type | External |
| Thread Direction | Right Hand |
| Thread Form | UNJ (UNJC UNJF UNJEF UNJS) |
| Pitch | 10 |
| Insert Size | 16 |
| Grade | K20 |
Learn more about Klarna
The Carmex Thread Turning External Insert is a versatile cutting insert designed for external UNJ threads. It’s built for engineers, machinists, and maintenance teams who need reliable, repeatable threading results across a range of machines and materials.
This right‑hand insert (16ER10UNJK20) delivers broad UNJ compatibility, covering UNJC, UNJF, UNJEF, and UNJS standards. Its laydown triangular geometry provides stable, controlled cutting from basic to the most demanding thread jobs—helping you minimize tool changes and reduce setup time while delivering consistent thread quality.
- Broad UNJ compatibility: One insert accommodates multiple UNJ thread standards (UNJC, UNJF, UNJEF, UNJS), simplifying your tooling and reducing inventory management.
- Laydown triangular geometry for stability: Designed for smooth, predictable cuts with improved chip control, leading to longer tool life and cleaner thread surfaces.
- Right-hand orientation for versatile setups: Optimized for right‑hand turning operations, delivering reliable performance across common lathes and CNC machines.
Designed toWorked across a wide range of applications, this Carmex insert helps you complete threading tasks faster, with fewer swaps and consistent results. It supports efficient workflows, reduces downtime, and delivers dependable performance on both simple and demanding threads.
| Thread Type | External |
| Thread Direction | Right Hand |
| Thread Form | UNJ (UNJC UNJF UNJEF UNJS) |
| Pitch | 10 |
| 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.
