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Carmex Thread Turning External Insert - UN (UNC,UNF,UNEF,UNS) - Left Hand - 11EL44UNBMA
| Thread Type | External |
| Thread Direction | Left Hand |
| Thread Form | UN (UNC UNF UNEF UNS) |
| Pitch | 44 |
| Insert Size | 11 |
| Grade | BMA |
Learn more about Klarna
Carmex Thread Turning External Insert is an adaptable indexable insert designed for turning external threads on lathes and CNC machines. It offers broad compatibility with UNC, UNF, UNEF, and UNS thread standards and supports left-hand threading, making it a practical choice for shops that handle a mix of production, repair, and prototype work.
Its laydown triangular geometry provides stable cutting conditions, helping you achieve consistent thread profiles and clean surface finishes even in demanding materials. Built for reliability in busy shops, this insert helps maximize tool life and reduce downtime, delivering dependable performance across a range of applications.
- Broad thread-standard compatibility with left-hand threading: Supports UNC, UNF, UNEF, and UNS external threads and accommodates left-hand cuts, enabling quick setup across common thread forms without changing inserts.
- Triangular laydown geometry for stability: The robust laydown shape delivers solid insert support in the cut, promoting consistent thread geometry and smooth finishes with minimal chatter.
- Versatile for basic to demanding tasks: Designed to perform from simple repairs to precision production runs, reducing tool changes and helping maintain steady productivity in busy workshops.
Using this insert simplifies your workflow: you get reliable, repeatable external thread turning results, fewer interruptions for tooling changes, and the confidence that your threads meet specified tolerances across multiple standards.
| Thread Type | External |
| Thread Direction | Left Hand |
| Thread Form | UN (UNC UNF UNEF UNS) |
| Pitch | 44 |
| Insert Size | 11 |
| Grade | BMA |
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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.
