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Carmex Thread Turning External Insert - American Butress - Left Hand - 16EL12ABUTK20
| Thread Type | External |
| Thread Direction | Left Hand |
| Thread Form | American Butress |
| Pitch | 12 |
| Insert Size | 16 |
| Grade | K20 |
Learn more about Klarna
The Carmex Thread Turning External Insert - American Butress - Left Hand - 16EL12ABUTK20 is a precision tool designed for external thread turning. Part of Carmex’s industry-leading range, these laydown triangular inserts are built to cover the majority of thread standards and perform from basic to the most demanding applications.
- Broad compatibility across thread standards: These laydown triangular inserts are designed to cover the majority of thread standards in today’s workshops, reducing tool changes and inventory.
- Triangular laydown geometry for stable cutting: The geometry promotes steady cutting action, helps with chip control, and supports consistent thread forms across a range of materials.
- Left-hand external threading support: Specifically optimized for left-hand threads, enabling flexible workflows and reliable results in external threading tasks.
With this insert, you can streamline external thread turning workflows, minimize tool changes, and achieve repeatable, accurate threads across many standards. The left-hand orientation adds flexibility for mixed-operation environments, while the durable construction delivers reliable performance through long service life and demanding applications. For buyers and users who value consistency, efficiency, and confidence in tooling, this Carmex insert is a dependable choice.
| Thread Type | External |
| Thread Direction | Left Hand |
| Thread Form | American Butress |
| 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.
