Please log in here to access all benefits, including promotional discounts and faster checkouts.
Carmex Thread Turning External Insert - UNJ (UNJC UNJF UNJEF UNJS) - Right Hand - 16ER12UNJK20
| Thread Type | External |
| Thread Direction | Right Hand |
| Thread Form | UNJ (UNJC UNJF UNJEF UNJS) |
| Pitch | 12 |
| Insert Size | 16 |
| Grade | K20 |
Learn more about Klarna
Carmex Thread Turning External Insert for UNJ threads (model 16ER12UNJK20) is a versatile external insert designed for right-hand UNJ threading. It covers UNJC, UNJF, UNJEF, and UNJS standards, providing a single, adaptable solution for a wide range of applications.
The insert features a laydown triangular geometry that delivers stable engagement and clean thread formation across routine to demanding jobs, helping you achieve reliable results with fewer tool changes.
- Broad UNJ thread compatibility: Supports UNJC, UNJF, UNJEF, and UNJS standards with one insert, reducing setup time and simplifying inventory.
- Right-hand external turning with laydown geometry: Optimized for external UNJ threads to provide stable cutting action and consistent thread profiles.
- Versatile, all-purpose performance: Suitable for a wide range of applications—from basic to demanding threading tasks—helping you complete jobs efficiently with dependable results.
This Carmex insert is designed to streamline production by minimizing tool changes and inventory while delivering repeatable thread quality. Its reliable geometry supports steady throughput and predictable performance across varied shop-floor tasks and operators.
| Thread Type | External |
| Thread Direction | Right Hand |
| Thread Form | UNJ (UNJC UNJF UNJEF UNJS) |
| Pitch | 12 |
| 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.
