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Carmex Thread Turning External Insert - UN (UNC,UNF,UNEF,UNS) - Left Hand - 11EL48UNBMA
| Thread Type | External |
| Thread Direction | Left Hand |
| Thread Form | UN (UNC UNF UNEF UNS) |
| Pitch | 48 |
| Insert Size | 11 |
| Grade | BMA |
Learn more about Klarna
The Carmex Thread Turning External Insert for UN thread standards (UNC, UNF, UNEF, UNS) is a precision external threading insert designed for left‑hand applications. Part of our industry‑leading range of laydown triangular inserts, this tool is built to cover the majority of thread standards in use today, delivering reliable results across a wide spectrum of tasks. It’s ideal for workshops and production environments that need one versatile solution—from routine threading to more demanding projects.
- Wide thread‑standard compatibility: Designed to handle UNC, UNF, UNEF and UNS external threads, reducing the need for multiple inserts and simplifying setup so you can switch between jobs quickly and with confidence.
- Left‑hand threading capability: Specifically engineered for left‑hand threads, ensuring consistent, reliable performance and high‑quality thread finish on every pass.
- Laydown triangular geometry for stability and life: The laydown triangular design provides smooth cutting action with effective chip control and even wear, helping extend tool life and minimize downtime.
This insert delivers dependable performance across a broad range of threading tasks, making it a practical choice for engineers, machinists, and maintenance professionals. By combining versatile compatibility, focused left‑hand capability, and a durable geometry, it supports efficient workflows, reduces tool changes, and helps you achieve consistent, precise threads every time.
| Thread Type | External |
| Thread Direction | Left Hand |
| Thread Form | UN (UNC UNF UNEF UNS) |
| Pitch | 48 |
| Insert Size | 11 |
| Grade | BMA |
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.
