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Carmex Thread Turning External Insert - American Butress - Right Hand - 16ER12ABUTK20
| Thread Type | External |
| Thread Direction | Right Hand |
| Thread Form | American Butress |
| Pitch | 12 |
| Insert Size | 16 |
| Grade | K20 |
Learn more about Klarna
The Carmex Thread Turning External Insert (American Butress — Right Hand) 16ER12ABUTK20 is a robust external threading insert designed for turning operations on lathes and turning centers.
Its laydown triangular geometry is engineered to cover a broad range of thread standards with reliable performance, making it a versatile choice for both simple and demanding threading tasks.
- Broad thread‑standard compatibility: Designed to address the majority of common thread standards with a single insert, reducing tool changes and simplifying setup for diverse jobs.
- Triangular laydown geometry for smooth cuts: The laydown shape helps guide chips away from the workpiece, promoting consistent thread form and better surface finish from roughing to finishing passes.
- Secure mounting and quick changes: Center mounting hole and precise geometry enable fast, repeatable indexable changes with reliable alignment, minimizing downtime on busy production cycles.
This external thread turning insert helps you achieve accurate, repeatable threads with fewer inserts and tool changes, improving workflow and overall productivity. Its versatility and durable design support a wide range of applications, giving you confidence to tackle both routine and challenging threading tasks in a single, dependable tool.
| Thread Type | External |
| Thread Direction | Right Hand |
| Thread Form | American Butress |
| Pitch | 12 |
| Insert Size | 16 |
| Grade | K20 |
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We are open Monday to Friday between 8:30am and 5pm.
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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.
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